Results from the Fertilizer demonstration experiment with maize at IOP Farm in Iringa, Tanzania in 2019

P.W. Mtakwa , N.A. Urio , P. Mtakwa, F. Brentrup, P. Assey, M.P. van Loon, R. Hijbeek, Hein ten Berge, M.K. van Ittersum

Research output: Book/ReportReportProfessional

Abstract

In 2019, an experiment was run at the IOP farm in Tanzania. Five nutrient management treatments were combined in a full factorial setup with two tillage options. The lowest maize yield was obtained under conventional tillage without fertilizer application, and the highest maize yield with reduced tillage and the highest NPK fertilizer level combined with micro nutrients. This highest NKP fertilizer level targeted 70% of water-limited yield.Furthermore, it was shown that P and K were used more efficient under reduced tillage compared to conventional tillage, while there was no difference in N use efficiency between the two tillage options. In addition, a number of field visits was organized. From the six villages surrounding the farma total of 120 farmers made at least 4 visits to the experimentonce in every month between February and June. That brings the number of farmers that learned from the 2018 trial to 480+
Original languageEnglish
Number of pages15
Publication statusPublished - 20 Feb 2020

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