Contributions of Agroforestry Research to Livelihood of Smallholder Farmers in Southern Africa: 1. Taking Stock of the Adaptation, Adoption and Impact of Fertilizer Tree Options

F.K. Akinnifesi, P.W. Chirwa, O.C. Ajayi, G. Sileshi, P. Matakala, F.R. Kwesiga, H. Harawa and W. Makumba

Agricultural Journal 3 ( 1 ): 58 - 75 , 2008