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Integration of conservation agriculture in smallholder farming systems of southern Africa: identification of key entry points por Thierfelder, Christian L., Mombeyarara, T, Mango, Nelson, Rusinamhodzi, Leonard

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The potential of Ipomoea stenosiphon as a soil fertility ameliorant in the semi-arid tropics por Mombeyarara, T, Murwira, Herbert K., Mapfumo, Paul

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