1 DETAIL PROJECT REPORT ON PILOT PROJECT FOR DEVELOPMENT OF WADI UNDER TRIBAL DEVELOPMENT FUND IN THE AMB BLOCK OF DISTRICT UNA (HP) Submitted To NATIONAL BANK FOR AGRICULTURE AND RURAL DEVELOPMENT, REGIONAL OFFICE, SHIMLA, HIMACHAL PRADESH by ANKUR WELFARE ASSOCIATION V&PO GAGRET, UNA(HP)- 177201 Ph. 09816199120 E-Mail – [email protected]
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DETAIL PROJECT REPORT ON PILOT PROJECT FOR
DEVELOPMENT OF WADI UNDER TRIBAL DEVELOPMENT
FUND IN THE AMB BLOCK OF DISTRICT UNA (HP)
Submitted To
NATIONAL BANK FOR AGRICULTURE AND RURAL DEVELOPMENT,
through remunerative self-employment to prevent migration.
2.1.1 Specific objectives
i. Effective utilization of available land, water and manpower resources of
selected tribal families through participatory approach.
ii. Implementation of environmentally friendly income generating activities.
iii. Development through people's organizations.
iv. Participation by women in development process and their empowerment.
v. Improve the health, sanitation and access to drinking water.
vi. Demonstrative merits of a wadi model for replicating the same by various
developmental agencies and also adoption of technology by the other farmers
in the project area.
2.2. Project Interventions
2.2.1 The core interventions of the program will be:
Establishment of orchard of the selected fruit crops as a core economic
activity.
Utilization of border of the orchard (fencing) for planting of multi purpose
forestry and economical species to meet the fodder, firewood and timber
requirement of tribal families thereby reducing their dependency on forest.
Adoption of in situ soil conservation measures to arrest further degradation
of soil and shaping of the land to make it suitable for establishment of
orchard.
Development of water resources individually or on community basis to
provide protective irrigation for fruit plants. The emphasis is on dry land
horticulture providing irrigation during the critical period by adopting the
time-tested water saving pitcher irrigation.
Adoption of improved farming techniques by capacity building of the
participation farmers through technology interventions, training, exposure
visit etc. to improve the crop productivity, production and quality of the
produce.
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Promotion of improved farming techniques, by capacity building of the
participating farmers through technology interventions, training, exposure
visit etc. to improve the crop productivity, production and quality of the
produce.
Promoting of community health by educating the community on basic
hygiene, nutritional aspects of food, primary treatment of minor aliments
and herbal and kitchen gardens in the back yards.
Drudgery reduction measures especially for women by supporting activities,
which will not only reduce the drudgery but also save the time to perform
the routine house hold activities so that they can concentrate more on the
wadi and other economic activities.
2.2.2 Other interventions to be promoted under the program for further
diversification of the activities.
Income generation activities like animal husbandry (backyard poultry,
piggery), non-farm activities to be promoted through Self Help Groups (SHG)
for the wadi families and other land less families.
Microfinance by linking the SHGs to the local banks for expanding income
generation activities and meeting expenses related to marriages, education
and health etc.
Promotion of village institutions, processing through cooperatives and
promotion of the products of the project under common brand for
marketing.
2.2.3 The broad components of the project for supporting interventions and
financial support is as given below (table: 1 )
Table : 1: Financial Supports
S.No. Component Financial support 1. Wadi establishment and maintenance 100% Grant
2. Soil & water conservation measures Grant (100%)
3. Buildings, equipments, vehicles Grant (100%)
4. Operations & maintenance including project staff, training, women development etc.
Grant (100%)
5. Health components Grant (100%)
6. SHGs, micro Finance, Cooperatives etc. Grant (100%)
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2.3 Criteria for selection of villages
Villages having predominant tribal population will be covered
under the program.
Preference will be given to village where percentage of tribal
population is more than 50%.
The physical, ecological and socio-economic characteristics of the
area vis-à-vis their suitability for wadi program will be taken into
account while selecting the area.
Those villages with a known history of coming together for common
causes and villages that have shown concern for resource
conservation will be given priority.
The cluster approach will be adopted while identifying the villages,
so that about 10% of the families could be land less for supporting
under the project.
2.4 Profile of the Area selected for wadi development.
The selected cluster of 4 villages namely Dhargujran, Basuni,
Suhin and Aloh situated in a block Amb of district Una. The Dhargujran and
Basuni are located 45 kilometer away from the main Una -Dharamsala state
highway, and Aloh & Suhin are on the main highway. Community and
population wise these villages are dominated by the Gujjar(ST) community
and there main occupation is only animal husbandry.
2.5 Total area and present practices of cultivation.
Village Total Area(Hec) Under Cultivation
Barren
1 Dhar Gujjaran 82 13 29
2 Basuni 41 14 27
3 Aloh 38 12 26
4 Suhin 105 26 79
176 65
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2.6 Geographical location of the selected cluster of 4 villages
2.6 The population profile of these areas is as under:-
1. A-Tribal Population in the project area and their break up ALOH
SN Name of tribe No. families Population Major occupation
1 Gujjar ST- 58 348 Major occupation
Other communities SC- 15
OBC-13
GEN -7
86
67
34
Dairy, Agriculture
% of tribal population 81/58=70% 535/348=70%
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2 Tribal Population in the project area and their break up - SUHIN
SN Name of tribe No. families Population Major occupation
1 Gujjar ST- 53 347 Major occupation
Other communities SC- 15
OBC- 7
GEN - 31
79
32
154
Dairy, Agriculture
% of tribal population 106/53=50% 612/347=54%
3. Tribal Population in the project area and their break up DHAR GUJJRAN
SN Name of tribe No. families Population Major occupation
1 Gujjar ST- 62 372 Dairy, Agriculture
Other communities SC- -0
GEN -0
0
0
Dairy, Agriculture
% of tribal population 100% 372
4. Tribal Population in the project area and their break up BASUNI,
SN Name of tribe No. families Population Major occupation
1 Gujjar ST- 38 222 Dairy, Agriculture
Other communities SC- 0
GEN 16
0
80
Dairy, Agriculture
% of tribal population 90% 302
2.7. Fruits and other commercial plants available for wadi development.
SN Plants Variety
1 Mangoes Local and Dusheri Variety
2 Lemon Local and Kagzi
3 Ber Local
4 Wild lemon Local
5 Harar Hybrid
6 Behar Hybrid
7 Ambla Hybrid
8 Guava Hybrid
9 Orange Kinoo
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2.7 Soil Health of the proposed cluster.
As per proposal soil health of the proposed cluster per also got
examined at the soil testing of Agriculture department. As per proposal 8
samples covering 25 hectare each were collected and sent for soil health
examination. The report is as under;-
SN Name of the land owner
Village Separates Water holding
capacity
Ph N P K
1 BADARDIN SUHIN MEDIUM General 7.3 L M M
2 SATTARDIN ALOH MEDIUM General 7.8 L L L
3 HUSAN
MOHAMMED
ALOH MEDIUM General 7.4 L M L
4 RAM PARKASH SUHIN MEDIUM General 7.7 L M M
5 FATEH
MOHAMMED
BASUNI MEDIUM General 7.7 L L L
6 LIKE MOHAMMED BASUNI MEDIUM General 7.5 L M L
7 NIYAMAT ALI DHAR MEDIUM General 7.0 L M L
8 NIYAZ DIN DHAR MEDIUM General 7.6 L L M
The nitrogen, phosphorus and other major nutrient condition in the soil
shows that this cluster has good potential for orchard growing.
2.8 Criteria for Selection of Participants
The support from the project will be to the extent of development of
maximum one acre per family or equivalent cost.
The participating families should be agreeable to work together
with other families in groups and also provide family labour
required for completion of core activity.
Further, they should be agreeable to adopt the project discipline.
The tribal participants should commit themselves to make periodic,
regular contributions to create a common village fund and to
constitute, at the village level a representative body for managing
the program and maintaining all the valuable assets created and
generated by the project.
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The families will have to sign a letter of Consent (Appendix 1) for
participating in the wadi project and accepting its various terms
and conditions.
2.7 No. of wadis to be Support Under the project, it is proposed to cover about 150 wadis spread over 4
villages. All the identified villages are within a radius of 10 kms from the
block Headquarters, i.e. AMB. It will be treated as one cluster only for the
sake of convenience of supervision and monitoring. The Project
implementing Agency will have freedom to choose the villages and families in
the phases based on the selection criteria indicated above.
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Chapter-3 3 Project Implementing Agency (PIA): Ankur Welfare Association- Gagret. The development agency in such a scenario is an enabling rather than a delivery
agency. It neither directs, nor delivers, mainly facilitates. It may demonstrate new
ideas, promote new approaches, mobilize the community, experiment jointly with the
community, demystify concepts and technologies, and mediate to bring about
collaboration within and outside the community, and impart skills and foster
conditions for reflection and learning. Ankur Welfare Association Gagret is working
in the field of Rural Development in general and women empowerment and health
improvement in particular through collaboration with Government since last 17 years
The main projects handled or being handled by the agency are;
Watershed development programme
Village development plan.
Micro banking institution.
Farmers club.
Financial literacy.
Small Entrepreneurship development program.
Health.
Advocacy.
Livelihood generation.
Training &Capacity development.
The main objective of the NGO is to contribute to poverty alleviation programmes
through communities’ participation. The key strategy is in this collaborative
approach is to mobilize community participation; building leadership and
entrepreneurial skills. Since the gravity of poverty alleviation tasks are enormous and
government was found not to be in a position to address it very effectively, Ankur
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Welfare Association. GAGRET with its limited resources preferred to deal with it in
following manners:
Directly working with community.
Collaboration with the Government.
Collaboration with line departments.
HEALTH institutions.
Support to other local organizations.
3.2 Technical Human Resource Available with the organization.
SN Name Qualification Post
1 Deepak Kumar M Sc (Eco & Env) Chief functionary
2 Manisha Sharma MBA Project Coordinator
3 O.S. Koundal B. Sc Agriculture Agri. Specialist
4 Chaner kanta M.A. B. Ed Filed Worker
5 Rakesh Chander BA Filed Worker
6 Abinash BA. B. Ed. Filed Worker
7 Neeraj Bala ANM Health Worker
8 Nisha Rani ANM Health Worker
9 Sunil Kumar Sr. Sec. Filed Worker
10 Salim Mohammed Sr. Sec Filed Worker
11 Ramman Kumar Sr. Sec Filed Worker
12 Madhu Rani Sr. Sec Filed Worker
13 Sonika Devi Sr. Sec Filed Worker
14 Khem Raj Sr. Sec Filed Worker
15 Parveen Kumari Sr. Sec Filed Worker
16 Vinod Jariyal Sr. Sec Filed Worker
17 Kapil Parmar Sr. Sec Filed Worker
In addition to these technical trained personnel there are a large
number of field workers working in the field as field investigators.
3.3 Technical know how collaboration.
Krishi Vigyan Kendra (KVK), Una, a premier wing of ICAR working
for the farmers in the district has kindly consented to provide Technical know
how, Training and Capacity building, Soil Testing Facilities and other out
reach services in the cluster. The agency has a team of four scientists having
specialization in various fields. Further, Agriculture Department would also be
roped in as a member of cluster development agency for additional inputs for
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improving the productivity of the lead crops as also for synergisation of the
different schemes being implemented in the district.
3.4 The Cluster Development Agency.
With the regular interaction with the local farmers, following members have
been nominated by the majority for the Cluster Development Agency. The
names are:-
S.No Name
1 DDM, NABARD, UNA(HP)
2 In--charge KVK/ his representative, Una(HP)
3 Dy. Director, Horticulture Department / Representative, Una
4 Block Development Officer, Amb
5 Niyamat Ali Dhar Gujjrani
6 Bhag Singh Basuni
7 Rukam Din, Suhin
8 Jaan Mohammed, Aloh
9 O.S.Koundal
3.5 The Village level implementing agencies
Farmer Club. : Presently there are 7 farmers club are actively working
in the cluster. These are
1. Dhar gujjran Farmers Club
2. Basuni Farmers Club.
3. Aloh Farmers Club.
4. Suhin Farmers Club.
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Chapter-4
Wadi & Dairy Component
4.1 Wadi Size & development.
The Schedule tribes of Una district includes Gujjars which have been actively
involved in livestock rearing. These tribal’s have adequate wasteland which is
presently being used as grassland for meeting the dry fodder as well as the pasture
requirements. An important aspect of these families is that they are not nomadic and
earn their livelihood from agriculture and sale of milk. Agriculture is mainly
dependent on rainfall. Wheat and Maize are the two main crops of the area.
However, some of the families have ventured into lift irrigation from adjoining check
dam which have all the year around water for meeting the irrigation requirements of
the crops. Hence, in order to provide alternative source of income to these families it
was thought to bring them under folds of horticulture development through ‘ Wadi’
programme.
For each target family, one acre or half acre of waste or uncultivated land as per
availability with the beneficiaries, will be taken up for developing an orchard (Wadi).
The slope of this land varies from 3- 15% with sparse to dense bush/ tree cover. The
tree cover mainly comprises of khair, Pinus, Kachnar, etc. whereas bush comprise of
lantana, morass spp. For wadi purpose wasteland having slope in the range of 3-
15% with sparse tree / bush cover has been identified. Based on the baseline survey
of the proposed programme families it is gathered that 138.5 acre of land covering
150 families can be covered for development of ‘Wadi’s’.
Table 1: Village wise no of wadi proposed to be developed
S.No Village No. of
Wadi
Total
Area(Acre)
Water source
1 Dhar Gujjaran 62 62 Lift Irrigation
2 Basuni 47 47 Lift Irrigation
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3 Suhin 18 12.5 Portable Pump Irrigation
4 Aloh 23 17 Portable Pump Irrigation
Total 150 138.5
During the course of baseline survey, 8 soil samples from proposed wadi sites from
4 villages were collected and analyzed for suitability of the soil for supporting the
horticulture development programme (enclosed). The soil test confirms that the land
is suitable for wadi development.
It is also proposed to promote inter cultivation of green fodder in the wadi until the
plants have attained a good height. It would help the families in getting green fodder
and also help in maintaining moisture & fertility soil.
4.2 Selection of Horticultural crops
Based on discussions with the villagers, Mango & Citrus have been identified as
suitable horticultural crops to the proposed project area. The same have been
corroborated by the Horticulture department considering the following aspects.
Suitability of the agro – climatic conditions of the project area
Mango and Citrus are leading fruit crops cultivated in the district, hence
forward and backward linkages are available.
Mango and Citrus are hardy crops and can survive and perform better under
dry land conditions.
Mango and citrus have got huge demand in the area as table fruit as also for
meeting the requirements of 6 food processing industries in the district which
are into manufacture of Jam, Jelly, juices & Pickles. Hence, marketing of the
produce will not be a problem.
Mango, Citrus offer scope for village level processing into various products
thereby creating scope for setting up of processing units and generation of
local employment.
The Horticulture Department in the district / Horticulture Regional Station
Jach, Jasur, District Kangra are capable of providing necessary planting
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material as well as extension support. In addition, planting materials can be
sourced from nurseries in Sarahanpur, UP.
4.3 Boundary plantation plants
Majority of the wadi land holdings are continuous without any mutations which are in
the name of the forefathers. As a practice in the area and of the community (i.e.
Muslim), the land is being earmarked to each of the nuclear family and so on. Hence,
there are clusters in each village wherein there would be 5-8 wadi’s. Creation of
boundary fencing of plants in each of such cluster wadi’s will not be practically
possible. Hence, boundary plantation has been proposed in only those wadi which
are segregated. In addition, boundary plantation of fodder tree species is being
proposed under the project to provide green fodder by way of lopping to the animals.
4.4 Crop Combination
As indicated above in between the Mango & Citrus plantation, it is proposed to
cultivate green fodders such as Berseem, Guinea Grass, etc. on the crescent farm
bunds proposed under soil conservation measures. These being leguminous plant
will enrich the soil and irrigation for the horticulture plant will also meet the water
requirements of these plants.
Standard practices and varieties recommended for each of the proposed horticultural
crop in the area are
Crop- 1 Mango
Varieties Dusheri
Plantation Period July-August
Plantation Density 10X10 m
Pit Size 1x1X1 meter
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Plants Selection Plants developed in the nursery through
Vanier Grafting or purchase from
horticulture Department.
Raising Wadi One Acre
Requirement for one acre 40 Mango
Mortality 10% 4
Table 2 -Cost of Mango Wadi (one acre)
Particulars 1st Year 1st Yr
2nd
Yr
3rd
Yr 4th Yr 5th Yr. Total
Unit Qty. Rate Amt. Amt. Amt. Amt. Amt. Amt.
A. Material No.
Grafts of mango crop No. 40 50 2000 200
2200
Boarder Plants No. 50 20 1000
1000
Fertilizers & Manures
0
N Kg 4 10.00 40 80 120 160 200 600
P Kg 2 15.00 30 60 90 120 150 450
K Kg 4 10.00 40 80 120 160 200 600
Compost Kg 200 6.00 1200 2400 3600 4800 6000 18000
Mankhurd, Mulgoa, Neelam, Samarbehist, Chausa, Suvarnarekha, Vanaraj and
Zardalu.
Recently some mango hybrids have been released for cultivation by different
institutes / universities. A brief introduction to such varieties is presented below :
Mallika - It is a cross between Neelam and Dashehari. Fruits are medium sized
cadmium coloured with good quality, reported to be a regular bearer.
Amrapali - It is a cross between Dashehari and Neelam. It is a dwarf vigorous type
with regular and late bearing variety. It yields on an average 16 t/ha and about 1600
plants can be accommodated in one hectare.
Mangeera : It is a cross between Rumani and Neelam. It is a semi vigorous type
with a regular bearing habit. Fruits are medium sized with light yellow coloured skin,
firm and fibreless flesh and sweet to taste.
Ratna : It is a cross between Neelam and Alphonso. It is a regular bearer and free
from spongy tissue. Fruits are medium sized with excellent quality. Flesh is firm and
fibreless, deep orange in colour with high TSS (19-21 Brix).
Arka Aruna : It is a hybrid between Banganapalli and Alphonso with regular bearing
habit and dwarf in stature. About 400 plants can be accommodated per hectare.
Fruits are large sized (500-700 gm) with attractive skin colour. Pulp is fibreless,
sweet to taste (20-22 Brix). Pulp percentage is 73 and the fruits are free from spongy
tissue.
Arka Puneet : It is a regular and prolific bearing hybrid of the cross between
Alphonso and the Banganapalli. Fruits are medium sized (220-250 gm) with
attractive skin colour, having red blush. Pulp is free from fibre, pulp percentage being
70 percent. Fruits are sweet to taste (20-22 Brix) with good keeping quality and free
from spongy tissue. It is a good variety for processing also.
Arka Anmol : It is a semi-vigorous plant type from the cross between Alphonso and
Janardhan Pasand. It is also a regular bearing and free from spongy tissues. Fruits
ripen to uniform yellow colour. Keeping quality of the fruit is very good and it is
suitable for export. It has got excellent sugar and acid blend and fruits weigh on an
average about 300 g Pulp is orange in colour.
Propagation :
Farmers should always get vegetatively propagated, true to type plants from
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recognised nurseries. Inarching, veneer grafting, side grafting and epicotyl grafting
are the popular methods of propagation in mango.
Planting : Land should be prepared by deep ploughing followed by harrowing and
leveling with a gentle slope for good drainage. Spacing varies from 10 m x 10 m, in
the dry zones where growth is less, to 12 m x 12 m, in heavy rainfall areas and rich
soils where abundant vegetative growth occurs. New dwarf hybrids like Amrapali can
be planted at closer spacing. Pits are filled with original soil mixed with 20-25 kg well
rotten FYM, 2.5 kg single super phosphate and 1 kg muriate of potash.
One year old healthy, straight growing grafts from reliable sources can be planted at
the centre of pits along with the ball of the earth intact during rainy season in such a
way that the roots are not expanded and the graft union is above the ground level.
Plants should be irrigated immediately after planting. In the initial one or two years, it
is advisable to provide some shade to the young plants and also stake to make them
grow straight.
Training and pruning :
About one meter from the base on the main trunk should be kept free from branching and the main stem can be allowed thereafter spaced at 20-25 cm apart in such a way that they grow in different directions. Branches which cross over/rub each other may be removed at pencil thickness.
Fertilizer Application :
In general, 170 gm urea, 110 gm single super phosphate and 115 gm muriate of potash per plant per year of the age from first to tenth year and thereafter 1.7 kg, 1.1 kg, and 1.15 kg respectively of these fertilizers per plant per year can be applied in two equal split doses (June-July and October). Foliar spray of 3% urea is recommended before flowering in sandy areas.
Irrigation :
Young plants are watered frequently for proper establishment. In case of grown up trees, irrigation at 10 to 15 days interval from fruit set to maturity is beneficial for improving yield. However, irrigation is not recommended for 2-3 months prior to flowering as it is likely to promote vegetative growth at the expense of flowering.
Inter cropping :
Inter crops such as vegetables, legumes, short duration and dwarf fruit crops like papaya, guava, peach, plum, etc. depending on the agro-climatic factors of the region can be grown. The water and nutrient requirements of the inter crops must be met separately.
Plant Protection :
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Mango is prone to damages by a large number of pests, diseases and disorders. The recommended control measures for most important and common among them are briefed below :
Mango hopper : Two sprays (at panicles emergency and at pea size of fruits) of carbaryl (0.15%), monocrotophos (0.04%) or phosphamidan (0.05).
Mealy bug : Ploughing inter spaces in November and dusting 2% methyl parathion @200 g per tree near the trunk and fixing 20 cm wide 400 gauge polythene strips around the trunk with grease applied on the lower edge in January as prophylactic measures and two sprays of monocrotophos (0.04%) at 15 days interval as control are needed.
Powdery mildew : Two to three sprays of wettable sulphur (0.2%) or Kerathane (0.1%) at 10-15 days interval.
Anthracrose : Two sprays of Baristin (0.1%) at fortnight interval.
Malformation : One spray of 200 ppm NAA in October followed by deblossoming at bud burst stage in December - January.
Fruit drop : Regular irrigation during fruit development, timely and effective control of pests and diseases and spraying 20 ppm NAA at pea size of fruits.
Harvesting and yield :
Graft plants start bearing at the age of 3 - 4 years (10-20 fruits) to give optimum crop from 10-15th year which continues to increase upto the age of 40 years under good management.
Post Harvest Management :
Storage : Shelf life of mangoes being short (2 to 3 weeks) they are cooled as soon as possible to storage temperatue of 13 degree Celcius. A few varieties can withstand storage temperature of 10 degree Celcius. Steps involved in post harvest handling include preparation, grading, washing, drying, waxing, packing, pre-cooling, palletisation and transportation.
Packaging : Mangoes are generally packed in corrugated fiberboard boxes 40 cm x 30 cm x 20cm in size. Fruits are packed in single layer 8 to 20 fruits per carton. The boxes should have sufficient number of air holes (about 8% of the surface area) to allow good ventilation.
Financial institutions have also formulated mango financing schemes in potential areas for expansion of area under mango. Individual mango development schemes with farm infrastructure facilities like well, pumpset, fencing and drip irrigation system etc. have also been considered.
Unit Cost : The unit cost varies from state to state. The cost presented here is indicative only. The entrepreneurs and the bankers are requested to consult our
52
Regional Offices for the latest information in this regard. The unit cost estimated for this model scheme is Rs.34400/- per ha capitalized up to the fifth year.
Annexure-B
Citrus
Citrus is native to a large area, which extends from Himalayan foot hills of northeast India to north central China, the Philippines in east and Burma, Thailand, Indonesia and New Caledonia in Southeast. In India, in terms of area under cultivation, citrus is the third largest fruit industry after Banana and Mango. Over the last 30 years, the area and production under citrus cultivation has increased at the rate of 11 and 9%, respectively, which shows that the expansion of citrus industry was quite sustainable. The average yield of citrus fruits in India is alarmingly low (10.1 t/ha) compared to other developed countries like Brazil, USA, China, Mexico and Spain (30-40 t/ha). Among mandarins, Nagpur mandarin (Central India), Kinnow mandarin (North–West India), Coorg mandarin (South India) and Khasi mandarin (North-East India) are the commercial cultivars of India. Whereas, Mosambi (Maharashtra), Sathgudi (Andhra Pradesh) and Malta and Jaffa (Punjab) are the sweet orange cultivars traditionally grown.
Citrus cultivation in India is plagued with various problems due to limiting growing conditions, limiting water resources and high incidence of pests and diseases warranting great care from planting till the plants come to bearing in order to sustain a productive life of a minimum of 15-20 years. There is growing interest/awareness among the citrus growers for adoption of latest technologies for commercial cultivation of citrus. The National Research Centre (NRC) for Citrus (ICAR), Nagpur has come out with the package of practices for citrus cultivation in different regions of the country. In the present bankable project on citrus, recommendations of the NRC for Citrus and the views of the citrus growers and their experience has been taken into consideration.
3. Package of Practices 3.1 Climatic and soil requirements
Citrus fruits in India are cultivated under varied agro-ecological conditions right from arid and semiarid areas of southwest region to humid tropical climate of northeast India.
3.1.1 Climate
Citrus trees are evergreen, grown in truly subtropical climates of the world although in tropical regions of the world they tend to produce cyclic growth flushes and hence regulating cropping in tropical areas for forcing them into concentrated bloom needs judicious management of water deficit stress according to soil type and growing season. Citrus fruits grow best between a temperature range of 130C to 370C. Temperatures below – 40C are harmful for the young plants. Soil temperature around 250C seems to be optimum for root growth. High humidity favours spread of many diseases. Frost is highly injurious. Hot wind during summer results in
53
desiccation and drop of flowers and developing fruits. Barring these limitations citrus is grown in all subtropical and tropical areas of the world. The sub-tropical climate is best suited for citrus growth and development. Khasi and Darjeeling mandarins are grown in high altitudes upto 2000 m as it is adapted to a cooler climate.
3.1.2 Soil
Citrus plants are grown in a wide range of soils ranging from sandy loam or alluvial soils of north India to clay loam or deep clay loam or lateritic/acidic soils in the deccan plateau and north-eastern hills. Citrus orchards flourish well in light soils with good drainage properties. Deep soils with pH range of 5.5 to 7.5 are considered ideal. However, they can also be grown in a pH range of 4.0 to 9.0. High calcium carbonate concentration in feeder root zone may adversely affect the growth.
3.2 Planting Material
Availability of quality planting material is of utmost importance in citrus cultivation. Citrus plants are very sensitive to various biotic and abiotic stresses. Therefore selection of an ideal rootstock is a continuing challenge for the citrus industry of India. Currently used rootstocks viz. rough lemon and Rangpur lime have gone through a lot of variation over the last five decades. Therefore ideal selections developed from the conventional rootstocks by National Research Centre for Citrus (NRCC), Nagpur and at other places under State Agriculture Universities may be obtained for propagating quality planting material. For budwood selection, disease free mother plants developed from the elite progeny of known pedigree through shoot tip grafting method available at NRCC, Nagpur may only be used.
Primary nursery beds are prepared on light fertile soils or in the HDPE trays under shade net structures. Selection of nucellar seedlings is done by eliminating weak seedlings, off types and non uniform seedlings in 2-3 stages in the nursery beds. Secondary nursery seedlings may be raised in polythene bags also as they become ready for plantation in the main field after attaining the height of about 30-40 cm after one year.
3.3 Land preparation
Land needs to be thoroughly ploughed and leveled. In hilly areas, planting is done on terraces against the slopes and on such lands, high density planting is possible as more aerial space is available than in flat lands. Since citrus trees are highly sensitive to water logging and water stagnation during rainy season providing drainage channels of 3-4 feet depth along the slopes around the orchard is essential.
3.4 Plant density
a. Mandarin (Citrus reticulata Blanco) Normal spacing – 6 m x 6 m ; Plant population – 277 / ha
b. Sweet orange (Citrus sinensis osbeck) Normal spacing - 5 m x 5 m, 5.5 x 5.5 m; Plant population – 400/330 per ha
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c. Limes/lemons (Citrus aurantifolia Swingle & Citrus limon) Normal spacing – 6 x 6 m / 5 x 5 m, Plant population – 277/400 per ha
In light soils, spacing will be 4.5 x 4.5 m or 5 x 5 m
3.5 Planting
The best season of planting is June to August. Pits of the size of 75 cm x 75 cm x 75 cm may be dug for planting seedlings. 15-20 kg of FYM and 500 g of super phosphate is applied per pit while planting. With good irrigation system, planting can be done in other months also.
3.6 Irrigation
Citrus requires critical stage watering in the initial year. It further reduces fruit drop and increases the fruit size. Diseases like root rot and collar rot occur in flooded conditions. Light irrigation with high frequency is beneficial. Irrigation water containing more than 1000 ppm salts is injurious. Quantity of water and frequency of irrigation depends on the soil texture and growth stage. Micro irrigation systems not only saves water and nutrients but also ensure good retention of fruits during crucial stages of crop growth in March – April even in situations where water is not a limitation.
3.7 Manures & fertilizers
Manuering is done in three equal doses three times in a year in February, June and September. The recommended manurial and fertilizers doses are given in Table 4 & 5 respectively.
Table 4 : Year wise requirement of farm yard manure (FYM) (Kg/plant/year)
FYM Year I Year II Year III Year IV Year V Year VI Year VII onwards
Kg/plant 20 10 15 20 25 30 40
Table 5 : Year wise requirement of various nutrients (g/plant/year)
Nutrients Year I Year II Year III Year IV Year V Year VI Year VII onwards
Nitrogen 100 200 300 400 450 500 500
P 50 100 150 200 200 250 250
K 25 50 75 200 200 250 250
ZnSO4 25 25 50 50 100 150 150
FeSO4 25 25 50 50 100 150 150
MnSO4 25 25 50 50 100 150 150
One or two sprays of micro nutrient mixtures if required may be given.
3.8 Inter culture
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Ploughing, spading of basins, weed control, etc., are important inter-culture operations for soil aeration and health. Chemical control of weeds with pre-emergence weedicides like diuron (3 Kg/ha), simazine (4 Kg/ha), glyphosate 4 l/ha, paraquat (2 l/ha), etc. may also be adopted.
3.9 Intercrops
Leguminous crops like soybean, gram, groundnut, cow peas, french bean, peas etc., may be grown in citrus orchards. Intercropping is advisable during the initial three-four years after planting.
3.10 Training and Pruning
In order to allow the growth of a strong trunk, initially shoots upto 40-50 cm from the ground level should be removed. The centre of the plant should remain open. Branches should be well distributed to all sides. Cross twigs and water suckers are to be removed early. The bearing trees require little or no pruning. All diseased, injured and drooping branches and dead wood are to be removed periodically.
3.11 Pests and Diseases Management
3.11.1 Pests
Important insect-pests of citrus are citrus blackfly and whitefly, citrus psylla, Citrus thrips leaf miner, scale insects, bark eating caterpillar/trunk borer, fruit fly, fruit sucking moth, mites, etc. Other pests attacking citrus particularly mandarin orange, specially in humid climate are mealybug, nematode, etc. Control measures of major pests are indicated below:
Leaf miner: Foliar sprays either with quinalphos 1.25 ml or fenvalerate 0.5 ml or monocrotophos 1.0 ml/litre of water at weekly intervals on new flush as soon as infestation is noticed.
Citrus blackfly and white fly : One spray against adults and two at 50% egg hatching stage (I half of April & Dec. and II fortnight of July) at 15 days interval either with acephate 1.25 g or quinalphos 1.5 ml or imidacloprid 0.5 ml/ litre of water.
Citrus psylla: Foliar spray either with quinalphos 1.0 ml or acephate 1.0 g or monocrotophos 0.5 ml/litre of water at bud burst stage or as and when infestation is noticed during Feb, - Mar., Jun., - Jul. & Oct, - Nov.
Citrus thrips : Foliar spray either with dimethoate 1.5 ml or monocrotophos 1 ml/litre of water at bud burst stage and berry size fruits. Scale insects: Spraying of parathion (0.03%) emulsion, dimethoate 150 ml and 250 ml kerosene oil in 100 litre of water or malathion @ 0.1 % or carbaryl @ 0.05% plus oil 1 %.
Trunk borer: Swabbing of tunnel either with dichlorvos (0.1%) or carbaryl (1%) or monocrotophos (0.02%) kills the grub effectively.
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Bark eating caterpillar: Plugging of larval tunnels with cotton wad soaked either in dichlorvos (0.1%) or carbaryl (1%) or monocrotophos (0.01%) effectively checks the pest.
3.11.2 Diseases
The important diseases of citrus are Phytophthora gummosis, citrus tristeza virus, citrus greening (HLB-Huang Long Bing), citrus canker, powdery mildew, anthracnose, etc. Control measures of these diseases are stated briefly below:
Phytophthora Gummosis : Scraping of the affected area and application of Bordeaux paste or copper oxifluoride paste or ridomil + carbendazim.
Citrus greening (HLB--Huang Long Bing): Removal of infected branches/unproductive trees and their replacement by disease-free plants. Application of ledermycin 600 ppm with ZnSO4 and FeSO4. Meticulous control of citrus psylla vector.
Citrus tristeza virus: Control of aphids and use of cross protected grafts and shoot tip grafted plants or disease free grafts are recommended.
Citrus canker: Cutting of infected twigs followed by spraying of 1 % Bordeaux mixture or copper fungicide. Foliar spray application of 100 ppm streptomycin sulphate is also effective.
Powdery mildew: Pruning of dead twigs followed by foliar spray of wettable sulphur @ 2 g/litre, copper oxychloride @ 3 g/litre of water in April and October.
Anthracnose: Pruning of dead twigs followed by two foliar sprays of carbendazim @ 1 g/litre or copper oxychloride - 3 g/litre at fortnightly interval.
3.12 Harvesting.
There are two main crops in mandarins and sweet oranges. One is called as Ambia bahar (mango flowering) the flowering of which occurs in the month of January (at the time of flowering of mango hence the name Ambia) the fruits of which are available in the months of October-December The other crop is Mrig bahar (Monsoon bloom) the flowering of which occurs in the month of June-July and the fruits are harvested during February-April. Mandarins and sweet oranges normally take 240-280 days to arrive at maturity. Mature fruits at colour break stage are picked up in 2 - 3 intervals of 10-15 days. Limes and lemons take 150-160 days for maturity. There may be 2 or 3 crops in a year in limes and lemons.
4. Yield
Mandarin: Commences from the 5th year with about 50 fruits per tree. Stabilizes in the 8th year. Average production is about 700-800 fruits per tree after stabilization.
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Sweet Orange: Commences from 5th year with 40-50 fruits per tree. Stabilizes around the 8th year. Average production is about 500-600 fruits per tree after stabilization.
Lime/Lemon: Commences from the 3rd year with 50-60 fruits per tree. Stabilizes in the 8th year. Average production is about 1000-1500 fruits per tree after stabilization.
Economic life of plantation: 15 to 25 years
5. Post-harvest management
For imparting uniform yellow-orange colour to the fruits application of ethephon @ 250 ppm along with 1 % calcium acetate as foliar spray at maturity stage is recommended. Sweet oranges and mandarins may be treated with ethylene gas for degreeing and development of colour. A temperature of 6-7°C, 5-10 ppm of ethylene and 90-95% RH in a degreeing chamber can set a change in colour in about 48 hours. The cold storage conditions for long term storage for different citrus fruits are available. Pre-cooling of citrus is done by forced air system. The storage conditions for each group are stated below. Oranges may be packed in well ventilated CFB boxes - 30 cm x 30 cm x 30 cm.
The storage conditions for various citrus fruits are as under:
Mandarins: Mandarins can be stored at 5- 7°C with 85-90 % RH for 4-8 weeks.
Sweet Oranges: Sweet oranges can be stored at 7-8°C with 85-90% RH for 4-8 weeks.
Lime/Lemon: Limes and lemon can be stored for 6-8 weeks at 9-10oC storage temperature with 80-90% RH. Limes are subjected to pitting after storage at temperature below 7°C. Waxing treatment further reduces moisture loss extends shelf life in all citrus fruits.