A fourth principle is required to define conservation agriculture in subSaharan Africa: the appropriate use of fertilizer to enhance crop productivity

Vanlauwe, BernardWendt, J.Giller, Kenneth E.Corbeels, MarcGerard, Bruno G.Nolte, C.2016-07-112016-07-11https://hdl.handle.net/10568/76063A fourth principle is required to define conservation agriculture in subSaharan Africa: the appropriate use of fertilizer to enhance crop productivity