The effect of varying rates of compost and diammonium phosphate on soil physical properties and crop performance.

Citation:
Gichuki FN;, Mungai DN;. The effect of varying rates of compost and diammonium phosphate on soil physical properties and crop performance..; 2000.

Abstract:

Long-term use of compost (4, 8, 12 or 125 kg/ha for maize and 10, 20, 30 or 200 kg/ha for beans) on improving crop yields and soil physical characteristics was studied at the steep-land research site, Kabete campus, Kenya. Preliminary results showed that maize yields under compost were lower than under diammonium phosphate (DAP). Compost increased the maize yield by 15% compared to an increase of 50% caused by DAP. Bean yield did not show any response to any rates of compost or DAP. The use of compost improved soil physical conditions, mainly bulk density and infiltration rates.

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