2017
DOI: 10.2134/agronj2017.03.0139
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Pearl Millet and Cowpea Intercrop Response to Applied Nutrients in West Africa

Abstract: Core Ideas Pearl millet and cowpea intercrop production is important in the Sahel. Inadequate nutrient supply constrains crop growth. Pearl millet sole crop nutrient response information is applicable for intercropping. Application of N and P to intercrop compared to sole crop has more profit potential. In the Sahel, crop production is dominated by pearl millet [Pennisetum glaucum (L.) R. Br.] cropping systems including intercropping with cowpea [Vigna unguiculata (L.) Walp]. The research objectives were to de… Show more

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Cited by 27 publications
(27 citation statements)
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“…In consideration of available information, the International Institute of Tropical Agriculture recommended 30, 14 and 12.5 kg ha -1 N, P and K, respectively, for cowpea production (Dugje et al, 2009). The profit potential for fertilizer application to the pearl millet-cowpea intercrop was greater than with application to either of the sole crops (Maman et al, 2017a).…”
Section: Introductionmentioning
confidence: 83%
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“…In consideration of available information, the International Institute of Tropical Agriculture recommended 30, 14 and 12.5 kg ha -1 N, P and K, respectively, for cowpea production (Dugje et al, 2009). The profit potential for fertilizer application to the pearl millet-cowpea intercrop was greater than with application to either of the sole crops (Maman et al, 2017a).…”
Section: Introductionmentioning
confidence: 83%
“…The decision tools are commonly used on behalf of financially constrained farmers and need to optimize fertilizer use choices for profit maximization. For example, Maman et al (2017a) found that fertilizer use for pearl millet-cowpea intercropping had much more profit potential than for pearl millet sole crop. The computer decision tools and their paper formats are available at http://agronomy.unl.edu/ofra.…”
Section: Discussionmentioning
confidence: 99%
“…Smallholder cropping systems are typically diverse, and each crop or intercrop has some level of profit potential for each nutrient that might be applied [2,3,[5][6][7][8][9][10][11][12][13]. Crop-nutrient response functions typically have a diminishing profit-to-cost ratio as the nutrient rate approaches the agronomic optimum.…”
Section: Fertilizer Use For Maximization Of the Farmer's Profitmentioning
confidence: 99%
“…For example, cereal yield response to N followed by P often has more profit potential than the application of K, secondary nutrients, and micronutrients. The application of several nutrients in a blend can result in increased yield compared to the application of fewer nutrients with the farmer's chosen combination of common fertilizers such as for wheat and maize production in Rwanda, but the profit potential is more often greater with common fertilizers [5,7,12,17]. Blending adds to the cost of nutrient supply, and blends often contain one or more nutrients that have low or no profit potential for the farmer.…”
Section: Blended and Compound Fertilizersmentioning
confidence: 99%
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