Estimating The Amount Of Crop Residue On A Field
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Estimating The Amount Of Crop Residue On A Field
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Author : F. L. Duley
language : en
Publisher:
Release Date : 1958
Estimating The Amount Of Crop Residue On A Field written by F. L. Duley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with Mulching categories.
Estimating The Amount Of Crop Residue On A Field
DOWNLOAD
Author : F. L. Duley
language : en
Publisher:
Release Date : 1958
Estimating The Amount Of Crop Residue On A Field written by F. L. Duley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with categories.
Estimating The Amount Of Crop Residues On A Field
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Author : F. L. Duley
language : en
Publisher:
Release Date : 1958
Estimating The Amount Of Crop Residues On A Field written by F. L. Duley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with categories.
Estimating Amount Of Crop Residue On Field
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Author :
language : en
Publisher:
Release Date : 1958
Estimating Amount Of Crop Residue On Field written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with categories.
Estimating Crop Residue Using Residue To Help Control Wind And Water Erosion
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Author :
language : en
Publisher:
Release Date : 1985
Estimating Crop Residue Using Residue To Help Control Wind And Water Erosion written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Agricultural estimating and reporting categories.
Using Crop Residue To Help Control Wind And Water Erosion
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Author :
language : en
Publisher:
Release Date : 1986
Using Crop Residue To Help Control Wind And Water Erosion written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Conservation tillage categories.
Residue And Tillage Systems For Field Crops
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Author : Leonard Bull
language : en
Publisher:
Release Date : 1993
Residue And Tillage Systems For Field Crops written by Leonard Bull and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Conservation tillage categories.
Estimating Your Soil Erosion Losses With The Universal Soil Loss Equation Usle
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Author : Robert D. Walker
language : en
Publisher:
Release Date : 1983
Estimating Your Soil Erosion Losses With The Universal Soil Loss Equation Usle written by Robert D. Walker and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Soil erosion categories.
On The Ground Or In The Air A Methodological Experiment On Crop Residue Cover Measurement In Ethiopia
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Author : Frederic Kosmowski
language : en
Publisher:
Release Date : 2016
On The Ground Or In The Air A Methodological Experiment On Crop Residue Cover Measurement In Ethiopia written by Frederic Kosmowski and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Maintaining permanent coverage of the soil using crop residues is an important and commonly recommended practice in conservation agriculture. Measuring this practice is an essential step in improving knowledge about the adoption and impact of conservation agriculture. Different data collection methods can be implemented to capture the field level crop residue coverage for a given plot, each with its own implications for the survey budget, implementation speed, and respondent and interviewer burden. This study tests six alternative methods of crop residue coverage measurement among the same sample of rural households in Ethiopia. The relative accuracy of these methods is compared against a benchmark, the line-transect method. The alternative methods compared against the benchmark include: (i) interviewee (respondent) estimation; (ii) enumerator estimation visiting the field; (iii) interviewee with visual-aid without visiting the field; (iv) enumerator with visual-aid visiting the field; (v) field picture collected with a drone and analyzed with image-processing methods; and (vi) satellite picture of the field analyzed with remote sensing methods. Results of the methodological experiment show that survey-based methods tend to underestimate field residue cover. When quantitative data on cover are needed, the best estimates are provided by visual-aid protocols. For categorical analysis (such as greater than 30 percent cover or not), visual-aid protocols and remote sensing methods perform equally well. Among survey-based methods, the strongest correlates of measurement errors are total farm size, field size, distance, and slope. The results deliver a ranking of measurement options that can inform survey practitioners and researchers.
Estimations Of Wind Erodibility Of Farm Fields
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Author : W. S. Chepil
language : en
Publisher:
Release Date : 1959
Estimations Of Wind Erodibility Of Farm Fields written by W. S. Chepil and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Wind erosion categories.