Copyright 2010, The World Bank Group. All Rights Reserved. Sources of Agricultural Data Section B 1
Feb 14, 2016
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Sources of Agricultural Data
Section B
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Administrative Records
• Population or locality data files
• Labor employment and unemployment offices
• Taxation data
• Farm registers
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3
Administrative Record Advantages
• Reduced costs of data collection
• Reduced respondent burden
• Production of data on detailed domains
• Estimating transition over time
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4
Administrative Record Cautions
• Information can be outdated
• Coverage may not be complete
• Accuracy must be verified
• Potential bias
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Sample Surveys
1. Agricultural surveys – Holding unit of enumeration from agricultural
census
2. Household surveys– Individual and households are units of enumeration
from population census
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Sample Surveys
3. Labor force surveys– Establishment is unit of enumeration including
agricultural sub-sector
– Economically active population is unit of enumeration – can be biased against subsistence agricultural workers
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Agricultural Surveys
• Agro-economic surveys provide required data on agriculture activity and employment
– Structural data gathered in first round of the year
• Surveys can be targeted to focus on one crop, holding type or activity
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Agro-Economic Surveys
• Data not captured:– Characteristics of holder’s household
members
– Activities of holder’s household members not working on holding
– Structure of the holder’s household income
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Crop Survey Examples
• Crop production survey:
– Planting intentions prior to planting
– Crop plantings after planting
– Crop conditions before harvest
– Crop production after harvest
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Crop Survey Examples
• Survey of post-harvest losses
• Survey of food stocks
• Crop marketing survey
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Livestock Survey Examples• Surveys on livestock products and structure:
– Milk and wool production
– Livestock by breed, sex and number
• Surveys of abattoirs, butchers, dairies
• Marketing board information
• Survey of feed stocks
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Other Agricultural Surveys
• Farm management surveys– Organization and management of farms
• Cost of production surveys– Operational costs for a particular activity
• Time use surveys– Examines contributions by family members to
agricultural holdings
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Household Surveys
• Usually cover multiple topics, a few are specialized
• Include all households, not just ones with agricultural holdings
• Identification of households with enterprises, including agriculture, could guide administration of supplementary modules
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Household Surveys• Demographic and Health Survey (DHS)
• Core Welfare Indicator Questionnaire (CWIQ) surveys
• Living Standards Measurement Study (LSMS) surveys
• Household Budget surveys
• Education surveys
• Labor Force surveys
• Food security surveys
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Labor Force Survey
• Household member characteristics
• Activity status
• Occupation, Industry and status in employment
• Time worked – may be expanded to time use
• Wages, salaries and income
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• Designed to assist decision makers design and monitor socioeconomic policies
• Designed to improve household survey data and build statistical capacity
• Has been conducted in over 40 countries since 1980
LSMS
Source: Living Standards Measurement Study, The World Bank
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• Basic crop production, storage and sales
• Productivity of main crops
• Land holdings
• Farming practices
• Input use and technology adoption
• Access to and use of services, infrastructure and natural resources
• Livestock • Fishery
LSMS – ISA
Source: Living Standards Measurement Study, The World Bank
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Remote Sensing Technology
• Satellite imagery can assist in the stratification of land area– Can be combined with GIS sample frame
• Assist in crop area estimation
• Dissemination of data using GIS
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Famine Early Warning System (FEWS)
• A system that integrates market information, crop assessments and satellite data to identify areas at risk of food insecurity.
• Objective is to provide data on areas of potential food insecurity in time for decision makers to act upon the information.
• More information can be found at www.few.net
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Summary• Administrative records
• Agricultural surveys– Crop, livestock, farm management, cost of
production, and time use surveys
• Household surveys– Labor force, LSMS
• Remote sensing technology use
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Section B Quiz1. What is the unit of enumeration for an
agricultural survey?2. Name two potential problems with
administrative data.3. What is the analytical advantage of collecting
agricultural data in a household survey?4. What does a post-harvest loss survey
measure?