Effects of Phosphorus and Bradyrhizobium japonicum on Growth and Chlorophyll Content of Cowpea (Vigna unguiculata (L) Walp)

The field and screen house experiment was conducted at Tanzania Coffee Research Institute and Seliani Agricultural Research Institute respectively in Tanzania, between March-July 2013, to assess the effects of Bradyrhizobium japonicum and phosphorus on growth and total leaf chlorophyll content of cowpea. The experiment was out down in splitplot design whereby the main plots comprised two inoculation treatments (with and without B. japonicum),...