info:oai:icrisat:7634info:ofi/fmt:xml:xsd:journalMupangwaWMupangwa, WTwomlowS JTwomlow, S JWalkerT SWalker, T SCumulative effects of reduced tillage and mulching on soil properties under semi-arid conditionsJournal of Arid Environments0140-196320139145-52article