Yield Responses of Cowpea (Vigna unguiculata) Varieties to Phosphorus Fertilizer Application Across a Soil Fertility Gradient in Western Kenyan Highlands.

Autor: Odundo, S. N., Ojiem, O. J., Okalebo, J. R., Othieno, C. O., Lauren, J. G., Medvecky, B. A.

Publikováno v: Challenges & Opportunities for Agricultural Intensification of the Humid Highland Systems of Sub-Saharan Africa; 2014, p115-127, 13p