Estimation Of Crop Yield At Block Level Using Farmers Estimate
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Estimation Of Crop Yield At Block Level Using Farmers Estimate
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Author : A. Kumar
language : en
Publisher:
Release Date : 1997
Estimation Of Crop Yield At Block Level Using Farmers Estimate written by A. Kumar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Estimating Crop Production In Development Projects
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Author : Derek Poate
language : en
Publisher: World Bank Publications
Release Date : 1985
Estimating Crop Production In Development Projects written by Derek Poate and has been published by World Bank Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Political Science categories.
This booklet examines the relative merits and limitations of various methods for measuring crop production on smallholder farms in agriculture and rural development projects. It focuses in particular on measurement techniques used in estimating annual crop yields. In their detailed analysis of one of the most popular techniques, crop cutting, the authors draw on heretofore unpublished studies from northern Nigeria. The authors stress that the choice of measurement technique depends on the type of survey to be undertaken, and they offer specific, practical recommendations that are designed to help monitoring and evaluation staff make the appropriate selections.
Methods For Measuring Greenhouse Gas Balances And Evaluating Mitigation Options In Smallholder Agriculture
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Author : Todd S. Rosenstock
language : en
Publisher: Springer
Release Date : 2016-08-23
Methods For Measuring Greenhouse Gas Balances And Evaluating Mitigation Options In Smallholder Agriculture written by Todd S. Rosenstock and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-23 with Technology & Engineering categories.
This book provides standards and guidelines for quantifying greenhouse gas emissions and removals in smallholder agricultural systems and comparing options for climate change mitigation based on emission reductions and livelihood trade-offs. Globally, agriculture is directly responsible for about 11% of annual greenhouse gas (GHG) emissions and induces an additional 17% through land use change, mostly in developing countries. Farms in the developing countries of sub-Saharan Africa and Asia are predominately managed by smallholders, with 80% of land holdings smaller than ten hectares. However, little to no information exists on greenhouse gas emissions and mitigation potentials in smallholder agriculture. Greenhouse gas measurements in agriculture are expensive, time consuming, and error prone, challenges only exacerbated by the heterogeneity of smallholder systems and landscapes. Concerns over methodological rigor, measurement costs, and the diversity of approaches, coupled with the demand for robust information suggest it is germane for the scientific community to establish standards of measurements for quantifying GHG emissions from smallholder agriculture. Standard guidelines for use by scientists, development organizations will help generate reliable data on emissions baselines and allow rigorous comparisons of mitigation options. The guidelines described in this book, developed by the CGIAR Research Program on Climate Change, Agriculture, and Food Security (CCAFS) and partners, are intended to inform anyone conducting field measurements of agricultural greenhouse gas sources and sinks, especially to develop IPCC Tier 2 emission factors or to compare mitigation options in smallholder systems.
Adequacy And Reliability Of Crop Yield Estimates
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Author : Charles Faye Sarle
language : en
Publisher:
Release Date : 1932
Adequacy And Reliability Of Crop Yield Estimates written by Charles Faye Sarle and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1932 with Agricultural estimating and reporting categories.
Estimation Of Crop Yields
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Author : Vinayak Govind Panse
language : en
Publisher:
Release Date : 1954
Estimation Of Crop Yields written by Vinayak Govind Panse and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1954 with Agricultural estimating and reporting categories.
Small Area Estimation Of Crop Yields At Block Level Using Satellite Data
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Author : A. K. Kankure
language : en
Publisher:
Release Date : 2003
Small Area Estimation Of Crop Yields At Block Level Using Satellite Data written by A. K. Kankure and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Empirical Investigation On Estimation Of Crop Yield At Block Level
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Author : T. Ahmed
language : en
Publisher:
Release Date : 1992
Empirical Investigation On Estimation Of Crop Yield At Block Level written by T. Ahmed and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
Methodologies For Valuation Of Agricultural Crop Yield Changes
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Author : Steve Leung
language : en
Publisher:
Release Date : 1978
Methodologies For Valuation Of Agricultural Crop Yield Changes written by Steve Leung and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Agricultural productivity categories.
Crop Yield And Net Benefit Estimates In The San Pedro And Yapacani Regions Based On Farmer Estimates Selected Field Samples And Regional Crop Production Trials
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Author :
language : en
Publisher:
Release Date : 1980
Crop Yield And Net Benefit Estimates In The San Pedro And Yapacani Regions Based On Farmer Estimates Selected Field Samples And Regional Crop Production Trials written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Agricultural innovations categories.
Yield Gap Analysis Of Field Crops
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 2018-06-29
Yield Gap Analysis Of Field Crops written by Food and Agriculture Organization of the United Nations and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-29 with Technology & Engineering categories.
To feed a world population that will exceed 9 billion by 2050 requires an estimated 60% increase over current primary agricultural productivity. Closing the common and often large gap between actual and attainable crop yield is critical to achieve this goal. To close yield gaps in both small and large scale cropping systems worldwide we need (1) definitions and techniques to measure and model yield at different levels (actual, attainable, potential) and different scales in space (field, farm, region, global) and time (short and long term); (2) identification of the causes of gaps between yield levels; (3) management options to reduce the gaps where feasible and (4) policies to favour adoption of sustainable gap-closing solutions. The aim of this publication is to critically review the methods for yield gap analysis, hence addressing primarily the first of these four requirements, reporting a wide-ranging and well-referenced analysis of literature on current methods to assess productivity of crops and cropping systems.