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Phosphate rock (PR) is an alternative fertilizer to increase the P content of P-deficient weathered soils. We evaluated the effects of fertilizer form on indicators of biological cycling of P using an on-farm trial on a Rhodic Kandiudox in western Kenya. Treatment plots were sampled after 13 crop...


Margenot, Andrew J.Sommer, RolfMukalama, JohnParikh, Sanjai J.[Biological P cycling is influenced by the form of P fertilizer in an Oxisol]Biological P cycling is influenced by the form of P fertilizer in an Oxisol

Crop production in sub-Sahara Africa is constrained by low soil phosphorus (P) content. A study was conducted in western Kenya to explore alternative P inputs and ways of optimizing their effectiveness and profitability. A field experiment established in 2007 studied the effects of Minjingu phosp...


Savini, IsaacKihara, JobKoala, SaidouMukalama, JohnWaswa, Boaz S.Bationo, B. André[Long-term effects of TSP and Minjingu phosphate rock applications on yield response of maize and soybean in a humid tropical maize–legume cropping system]Long-term effects of TSP and Minjingu phosphate rock applications on yield response of maize and soybean in a humid tropical maize–legume cropping system

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