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Mupangwa, W and Twomlow, S J and Walker, S (2012) Reduced tillage, mulching and rotational effects on maize (Zea mays L.), cowpea (Vigna unguiculata (Walp) L.) and sorghum (Sorghum bicolor L. (Moench)) yields under semi-arid conditions. Field Crops Research, 132. pp. 139-148. ISSN 0378-4290
Mupangwa, W and Twomlow, S J and Walker, S (2012) Reduced tillage, mulching and rotational effects on maize (Zea mays L.), cowpea (Vigna unguiculata (Walp) L.) and sorghum (Sorghum bicolor L. (Moench)) yields under semi-arid conditions. Field Crops Research, 132. pp. 139-148. ISSN 0378-4290