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DocumentFAO-WMO Roving Seminar on Crop-Yield Weather Modelling. Lecture Notes and Exercises 2017
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No results found.Crop-yield weather modelling refers to the techniques which can be used operationally to determine the likely effect of weather on yields. Although the incidence of weather conditions on yields is well established, its quantitative assessment is not always straightforward: time series analyses of agricultural statistics show that the inter-annual variability1 of crop yields can be roughly subdivided into 3 components : trend, direct weather factors and indirect weather effects (pests, diseases, weed competition, etc.). -
DocumentAgroMetShell Manual 2004
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No results found.This AgroMetShell (AMS) manual has been prepared by the SADC Regional Remote Sensing Unit (RRSU), Harare, Zimbabwe. This is a joint collaboration been the Agrometeorology Group, Environment and Natural Resources Service (SDRN), Food and Agriculture organization of the United Nations and the SADC Regional Early Warning System. The manual is a step-by-step handbook for use in data preparation, running the water requirement satisfaction index (WRSI) water balance model, image creation and yield est imation once the models have been developed for crop monitoring and early warning for food security. -
ArticleFAO Crop Yield Forecasting Philosophy in National Food Early Warning Systems 1998
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No results found.The paper describes the crop forecasting philosophy adopted by FAO in the ambit of national and regional food security projects in developing countries.
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