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FAO NUTRIENT RESPONSE DATABASE : FERTIBASE

NUTRIENT RESPONSE DATABASE

The FAO Fertilizer Programme carried out trials and demonstrations on crops in farmer's fields from the 1970's through the 1990s. The purpose of these trials and demonstrations was to determine suitable fertilizer application rates for local crops that are commensurate with farmers' means. The demonstrations and trials differ in design and fertilizer treatment combination. The results of these trials and demonstrations provide information on crop responses to plant nutrients in 32 countries in Africa, Asia and Latin America.

The aim of this database is to allow for the extraction of yield data per agro-ecological zone for the main food crops in a specific country. The extracted data enable the estimation of fertilizer input- and crop output ratios for projection of future fertilizer application to support increased crop yield targets.

Research institutes, universities, projects etc. are invited to enrich the database with their data on crop responses. The instructions on how to do this can be found on the next page.

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