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effect of nitrogen and phosphorus fertilizer on growth and yield of ironweed (vernonia galamesis)
(2003)
Irooweed (Vernonia galamensis) is a promising new crop for industrial oil but information on its response to fertiliser is scanty. A field experiment was conducted at the University of Nairobi Field Station farm during two ...
PREP-PAC: a nutrient replenishment product designed for smallholders in western Kenya
(2003-12)
Continuous cropping in the absence of external nutrient inputs to soils has led to the expression of poorly productive patches in farmers’ fields of western Kenya. Farmers attempting to correct these conditions are often ...