Challenges for replenishing soil fertility in depleted fields: evidence from long-term trials in Zimbabwe

Zingore, Shamie; Masvaya, E.N.; Nyamangara, J.; Delve, Robert J.; Giller, Ken E. 2007. Challenges for replenishing soil fertility in depleted fields : Evidence from long-term trials in Zimbabwe [abstract] [online]. In: Bationo, André; Okeyo, Jeremiah M.; Waswa, Boaz S.; Mapfumo, Paul; Maina, Fredah; Kihara, Job (eds.). Innovations as key to the green revolution in Africa: Exploring the scientific facts: Abstracts: Symposium [online]. Centro Internacional de Agricultura Tropical (CIAT), Tropical Soil Biology and Fertility (TSBF), Nairobi, KE. p. 120.