1 Thomas Fischer - International Technical Support As you walk down the fairway of life you must smell the roses, for you only get to play one round. Ben Hogan Cost-effective winter-preparation of turf-grasses on golf-courses Light House Golf Resort 18.09.2009 Vita - Thomas Fischer • 48 years old, married, two daughters of 15 and 18 • Horticultural and commercial education, since 1994 working for Scotts • Golf-Operation-Manager IST/GMVD since 2003 • Consultant for golf-courses, sport-fields and landscaping e. q. in D/PL/A/CH/EST/MA and technical support in Germany and foreign countries • Teacher at the greenkeeper-education in Kempen • Secretary of the GVD district East • Publications in Greenkeepers Journal, campos, Meyer GaLaBau diary et al. • Arrangements of turf-seminars with leading turf-specialists like Dr. Beard, Dr. Bernd Leinauer et al. • Own Web-Site www.golf-infos.de (Turf Internet-Address-Book) Liebig’s law of the minimum Growth is not controlled by the total of resources available, but by the limiting factor. Light Oxygen in soil Soil Micro-nutrients Macro-nutrients Water Temperature
16
Embed
Cost-effective winter-preparation of turf-grasses on golf ... Thomas Fischer.pdf · Cost-effective winter-preparation ... Light Oxygen in soil Soil ... • Compaction •Chemical
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
1
Thomas Fischer - International Technical Support
As you walk down the fairway of life you must smell the roses, for you only get to play one round.
Ben Hogan
Cost-effective winter-preparation of turf-grasses on golf-courses Light House Golf Resort18.09.2009
Vita - Thomas Fischer• 48 years old, married, two daughters of 15 and 18• Horticultural and commercial education, since 1994
working for Scotts• Golf-Operation-Manager IST/GMVD since 2003• Consultant for golf-courses, sport-fields and landscaping
e. q. in D/PL/A/CH/EST/MA and technical support in Germany and foreign countries
• Teacher at the greenkeeper-education in Kempen• Secretary of the GVD district East • Publications in Greenkeepers Journal, campos,
Meyer GaLaBau diary et al. • Arrangements of turf-seminars with leading turf-specialists like Dr.
Beard, Dr. Bernd Leinauer et al.• Own Web-Site www.golf-infos.de (Turf Internet-Address-Book)
Liebig’s law of the minimum
Growth is not controlled by the total of resources available,but by the limiting factor.
Light Oxygen in soil
Soil
Micro-nutrientsMacro-nutrients
Water
Temperature
2
Influence on winter-hardness
Winter-hardness of turf-grasses
Soil
Fertili-zation
Mainte-nance
Fungi-cides
Is winter-hardness possible?
• Physical properties• Granule-size
• USGA-spec
• Compaction
• Chemical properties• Nutrients - absolute
• Nutrients - balance• NPK-ratio
• Bad figures results in weak turf!!
• Weak turf has no winter-hardness!!
Black Layer
Physical properties
• During construction
• Left side
• Low precipitation
• Right side
• Higher precipitation
• Important to know!
• Weather-forecast!
Green 13
3
Weather-forecast - and history Varna-BG
Thomas Fischer - International Technical Support
Chemical properties
SamplingSoil - Tissue - Water
The Integrated Analyzing Concept
Normal Maintenance
No
N-P-K-Mg-ratio1 - 0.2 - 1(max. 1.4) - 0.1
Adapt fert-plan
Main nutrientsN-P-K-Mg
Liquid nutritionLiquid / WSF
Trace elements
Acidifying Ferts
RZM Water Topdress/Sand
Check reason
High> 7,2
Liming
Low> 5,5
pH
Yes
Problems?
Soil-sampleHarris
Water-sampleHarris
Topdress-samplewww.etl-ltd.com
Tissue-sampleLocal lab
DiseasesKate Entwistle
Base of all planning
4
Why tissue-analysis?• Support on daily work
• Diagnosis (actual situation)• Deficiency or excess • E. q.:
Potassium in excess is luxury-consumption (use of SR-potassium!) Mg-uptake is reduced
• Control of nutrient-supply during play (tournament-situation)• Preparation for winter-hardness
• Monitoring (regular sampling)• Control of nutrition-status and fertilization especially in autumn-time• Control of nutrient-supply during play (tournament-situation)
• Problems with nutrient-uptake• pH-value in soil• Sub-function of rooting-system
• Decision-guidance for use of liquid fertilization
Tissue-analyse
• Worldwide aligned analysis-guidelines
• Check for reference-values!• Difference between grass-species
• Take soil-samples into consideration
Anlage Fläche Datum0 GRN 18
Wasser n. a. %Trockensubstanz 18,3 %Organ. Substanz n.a. % i. T.
für AgrostisMinimum Maximum
Gesamt-Stickstoff 5,5 % i. T. 3,2 4,5Phosphor 0,8 % i. T. 0,3 0,5Kalium 2,8 % i. T. 2,5 3,5Magnesium 0,3 % i. T. 0,4 0,7
Calcium 0,50 % i. T. 1,00 1,50Natrium 0,02 % i. T. 0,01 0,16Schwefel 0,84 % i. T. 0,26 0,40
Iron-oxysulfate 45-50 Fe2O3 · FeSO4High fraction not available for plants;limited longevity on thatch
5-14 FeEDTA5-9 FeHEDTA6 FeEDDHA10 FeDTPA
Iron-sucrate 50 Org. Bestandteile 4-5 % from Iron very fast soluble;limited longevity
Iron-humate Ca. 20 Org. Bestandteile Slowly available iron linked to an organic complex;limited activity on neutral or alkaline soils
Iron-lignin-sulfate 5-7 Org. Bestandteile
Iron-chelate
More ffective than anorganic Iron-compositions;EDTA more effective on neutral or acidic soil;all chelates very effective for foliar-application;low application-rates with high effectivity
Scotts Iron-fertilizer
• Greenmaster Autumn 6+5+10 (+6%Fe) - Zeolite
• Reversible binding of Cations
• Nutrient-deficiency and –excess can be balanced
pH-variations will be buffered
• Adapted water-storage-capacity
• Minimizes leaching-loss
• Improves longevity
• Granule-size: only 0,7 - 1,7 mm
Greenmaster Liquid EfFect• For use throughout growing season• Very quick - green-up within 3 hours• Longevity up to 6 weeks• Treat iron chlorosis• No blackening from wheels or footmarks• Can be used on acidic soils without further
reducing pH• Can be used when black layer is present• Hardens turf without excess growth• Independent trials have shown that with an
integrated approach with Sierraform GT and H2Pro disease levels are suppressed
15
Influence on winter-hardness
Winter-hardness of turf-grasses
Soil
Fertili-zation
Mainte-nance
Fungi-cides
Winter-preparation - SunlightGo Back to Basics - Basic turf-grass management costs less
“No matter who you are,where your golf course is located andwhat type of grass you are growing.Without enough sunlight your turf will not be healthy.” Reference: USGA Green Section July-August 2009; page 28 Stanley J. Zontek
• Huge amounts of money can be spent and all sorts of different products, programs and techniques can be tried, but there is no substitute for sunlight.
• If sunlight is limited, you have a problem.
• Solution• Tree removal
• Limb pruning
• Underbrush clearing
• Also improve air circulation, which is good for the grass as well.
Mechanical work• Good
• All mechanical work• Verticutting
• Spiking
• Aeration
• But ....• In the right period
• Keeping a well draining root-zone is a basic tool for improvement of winter-hardness! Putting Green 27.02.2009
16
Influence on winter-hardness
Winter-hardness of turf-grasses
Soil
Fertili-zation
Mainte-nance
Fungi-cides
Fungicide-programs
Recommendations must be adapted to local permissions
Spore-germination Penetration Mycelium-
growthCracking of
fruiting-bodiesSpore-forming
Preventive Curative - Tissue alive Eradicative - Tissue dead
Preventive and CurativePreventive
• Application made prior to plant-infection
• Disease-symptoms will be reduced �enhanced turf-quality
• Working-principles• Active barrier between plant and
pathogen• E. q. Daconil
• Inhibition of spore-germination• E. q. Heritage
Curative• Application made after pathogen
infected the plant• Presence of different diseases
symptoms shows the stage of infection
• Requires higher application-rates and often shorter intervals to control the disease
• Risk of resistance• Effective in periods without