Evaluating the effects of conservation agriculture and related technologies on soil biodiversity, crop and labour productivity in semi-arid Zimbabwe Author/Editor(s): Nyagumbo, I.Mutsamba, E. N.Mhaka, L.Date of publication: 2010RUFORUM Conferences and Workshops Read more about Evaluating the effects of conservation agriculture and related technologies on soil biodiversity, crop and labour productivity in semi-arid Zimbabwe