Effect of Spatial Arrangement on Growth and Yield of Cowpea in a Cowpea-maize Intercrop

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Ocaya, CP. ; Adipala, E. ; Osiru, DSO. (2001)
  • Publisher: AGRI-OVERSEAS
  • Journal: Tropicultura (issn: 0771-3312)
  • Subject: Crop competition | Radiation | Spacing | Agriculture | S

Cowpea growth and yield performance when intercropped with maize was studied for 3 consecutive seasons under three spatial arrangements, i. e., maize planted at 90 x 30, 100 x 27, and 120 x 22.5 cm, with 2 rows of cowpea between the maize rows. Growth and yield of cowpea was improved significantly by widening maize intra-row distances as compared to the 90 x 30 cm spacing. Hence, intercropped cowpea needs to be sown where maize rows are wide apart, but the maize rows should not be too wide as this would lower the grain yield of maize.
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