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   The Effects of Phosphate Fertilizers and Manure on Maize Yields in South Western Kenya

   Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: J. S. Ademba --- Kenya Agricultural Research Institute (KARI) Kisii, Kenya J. K. Kwach --- Kenya Agricultural Research Institute (KARI) Kisii, Kenya A. O. Esilaba --- Kenya Agricultural Research Institute (KARI) Headquarters, Kenya S. M. Ngari --- Egerton University, Kenya

   Phosphorus, nitrogen and Striga hermonthica are the major constraints to maize production in the Nyanza Province of Kenya. Field trials were conducted on-farm in Nyanza Province to investigate the effects of phosphate fertilizers and manure on maize yields. The experimental...

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2. 

   Is the use of commercial organic ameliorants for cropping justified?

   Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: T C Baloyi --- ARC-Grain Crops, South Africa F R Kutu --- ARC-Grain Crops, South Africa C C du Preez --- University of the Free State, South Africa

   Large areas of soils in sub-Saharan Africa are poor in organic matter and nitrogen-phosphorus-potassium (NPK) fertilisation is essential for cropping. Most farmers are smallholders who cannot afford NPK fertilisers but they could consider alternatives like commercial organic ameliorants.This applies also...

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