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Mupangwa, W and Twomlow, S J and Walker, S and Hove, L (2007) Effect of minimum tillage and mulching on maize (Zea mays L.) yield and water content of clayey and sandy soils. Physics and Chemistry of the Earth, Parts A/B/C, 32 (15-18). pp. 1127-1134. ISSN 1474-7065
Ncube, B and Dimes, J P and Twomlow, S J and Mupangwa, W and Giller, K E (2007) Raising the productivity of smallholder farms under semi-arid conditions by use of small doses of manure and nitrogen: a case of participatory research. Nutrient Cycling in Agroecosystems, 77 (1). pp. 53-67. ISSN 1385-1314
Warburton, M L and Reif, J C and Frisch, M and Bohn, M and Bedoya, C and Xia, X C and Crossa, J and Franco, J and Hoisington, D A and Pixley, K and Taba, S and Melchinger, A E (2007) Genetic Diversity in CIMMYT Nontemperate Maize Germplasm: Landraces, Open Pollinated Varieties, and Inbred Lines. Crop Science, 48 (2). pp. 617-624. ISSN 0011-183X