info:oai:icrisat:4781info:ofi/fmt:xml:xsd:journalNyamangaraJNyamangara, JMakarimayEMakarimay, EMasvayaE NMasvaya, E NZingoreSZingore, SDelveR JDelve, R JEffect of soil fertility management strategies and resource-endowment on spatial soil fertility gradients, plant nutrient uptake and maize growth at two smallholder areas, north-western ZimbabweSouth African Journal of Plant and Soil0257-18622011281-101article