Studies on some factors affecting growth and productivity of cowpea crop

Three field and pot experiments were carried out during two consecutive summer growing seasons of 1996 and 1997 at private Farm, Diarb Negm Center, Sharkia Governorate, to study the effect of foliar spray with some B-vitamins (B1, B6 and B12), foliar spray with some micro-elements (Cu, Fe and Mo) and fertilization of S, K and Mg soil application on growth, seed yield and seed quality of cowpea plants.