Items where Author is "Vlek, P L G"

1984

Moraghan, J T and Rego, T J and Buresh, R J and Vlek, P L G and Burford, J R and Singh, S and Sahrawat, K L (1984) Labeled nitrogen fertilizer research with urea in the semi-arid tropics II. Field studies on a Vertisol. Plant and Soil, 80 (1). pp. 21-33.

1998

Sanetra, C M and Ito, O and Virmani, S M and Vlek, P L G (1998) Remobilization of nitrogen from senescing leaves of pigeonpea (Cajanus cajan (L.) Millsp.): genotypic differences across maturity groups? Journal of Experimental Botany, 49 (322). pp. 853-862. ISSN 0022-0957

2003

Somado, E A and Becker, M and Kuehne, R F and Sahrawat, K L and Vlek, P L G (2003) Combined Effects of Legumes with Rock Phosphorus on Rice in West Africa. Agronomy Journal, 95 (5). pp. 1172-1178. ISSN 1435-0645

2006

Fatondji, D and Martius, C and Bielders, C L and Vlek, P L G and Bationo, A and Gerard, B (2006) Effect of planting technique and amendment type on pearl millet yield, nutrient uptake, and water use on degraded land in Niger. Nutrient Cycling in Agroecosystems, 76 (2-3). pp. 203-217. ISSN 1385-1314

2007

Fatondji, D and Martius, C and Bielders, C L and Vlek, P L G and Bationo, A and Gerard, B (2007) Effect of planting technique and amendment type on pearl millet yield, nutrient uptake, and water use on degraded land in Niger. In: Advances in Integrated Soil Fertility Management in sub-Saharan Africa: Challenges and Opportunities. Springer, Netherlands, pp. 179-193. ISBN 978-1-4020-5759-5

2009

Fatondji, D and Martius, C and Zougmore, R B and Vlek, P L G and Bielders, C L and Koala, S (2009) Decomposition of organic amendment and nutrient release under the zai technique in the Sahel. Nutrient Cycling in Agroecosystems, 85 (3). pp. 225-239.

2010

MacCarthy, D S and Vlek, P L G and Bationo, A and Tabo, R and Fosu, M (2010) Modeling nutrient and water productivity of sorghum in smallholder farming systems in a semi-arid region of Ghana. Field Crops Research, 118 (3). pp. 251-258. ISSN 0378-4290

2011

Fatondji, D and Martius, C and Vlek, P L G and Bielders, C L and Bationo, A (2011) Effect of Zai Soil and Water Conservation Technique on Water Balance and the Fate of Nitrate from Organic Amendments Applied: A Case of Degraded Crusted Soils in Niger. In: Innovations as Key to the Green Revolution in Africa. Springer, Netherlands, pp. 1125-1135. ISBN 978-90-481-2543-2