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Effect of a cowpea intercrop on maize yield and nutrient use efficiency in the coastal lowlands and semi-arid parts of Kenya

By: Mochoge, B. O | Centro Internacional de Mejoramiento de Maiz y Trigo (CIMMYT), Mexico DF (Mexico).
Contributor(s): CIMMYT | Onwonga, R. N [coaut.].
Material type: materialTypeLabelBookAnalytics: Show analyticsPublisher: Addis Ababa (Ethiopia) CIMMYT|EARO : 1999Description: p. 267-270.ISBN: 92-9146-065-6.Subject(s): Cowpeas | Fertilizers | Intercropping | Kenya | Maize | Nutrients | Semiarid climate | Semiarid zones | CIMMYT | Zea mays AGROVOC | Yields AGROVOCDDC classification: 633.15 Summary: To establish maize yield responses to N and P fertilizer and to manure, cowpeas were intercropped with maize in the drier zones of Kenya. The experiments were conducted over five seasons at six trial sites, in the coastal lowlands and in semi-arid parts of Kenya. M maize yields were significantly increased by the use of N and P and manure. Maize yields increased (P = 0.05) with the cowpea intercrop along the coastal lowlands, with increases ranging between 11 and 26%, while maize yields in the hinterlands were greatly reduced (18-36%), probably due to competition for environmental resources. Cowpea yields were generally low and unaffected by fertilizers or intercropping. The maize sole crop used N better than maize in the cowpea- maize intercrop, which in turn used P better than maize alone.Collection: CIMMYT Publications Collection
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Conference proceedings CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

CIMMYT Publications Collection 633.15 EAS No. 6 (Browse shelf) 1 Available 1Y649283
Total holds: 0

To establish maize yield responses to N and P fertilizer and to manure, cowpeas were intercropped with maize in the drier zones of Kenya. The experiments were conducted over five seasons at six trial sites, in the coastal lowlands and in semi-arid parts of Kenya. M maize yields were significantly increased by the use of N and P and manure. Maize yields increased (P = 0.05) with the cowpea intercrop along the coastal lowlands, with increases ranging between 11 and 26%, while maize yields in the hinterlands were greatly reduced (18-36%), probably due to competition for environmental resources. Cowpea yields were generally low and unaffected by fertilizers or intercropping. The maize sole crop used N better than maize in the cowpea- maize intercrop, which in turn used P better than maize alone.

English

0103|AL-Maize Program|AGRIS 0102|AJ

CIMMYT Publications Collection

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