info:oai:icrisat:5432info:ofi/fmt:xml:xsd:bookFatondjiDFatondji, DMartiusCMartius, CVlekP L GVlek, P L GBieldersC LBielders, C LBationoABationo, A978-90-481-2543-22011Effect of Zai Soil and Water Conservation Technique on Water Balance and the Fate of Nitrate from Organic Amendments Applied: A Case of Degraded Crusted Soils in Niger10Innovations as Key to the Green Revolution in Africabookitem