Effects of cropping system and spatial arrangement in annual cottons/cowpea/sorghum intercropping

Authors

  • Francisco Bezerra Neto Universidade Federal Rural do Semi-Árido km 47 da BR 110, s/n
  • José Torres Filho
  • José Simplício de Holanda
  • Edvaldo Ferreira Santos
  • Carlos Alberto de Sousa Rosado

DOI:

https://doi.org/10.1590/S1678-3921.pab1991.v26.3396

Keywords:

<i>Gossypium hirsutum<i/>, <i>Sorghum bicolor<i/>, <i>Vigna unguiculata, <i/>, land utilization

Abstract

Intending to define an intercropping system for annual cotton (Gossypium hirsutum L.r. latifolium Hutch), cowpea (Vigna unguiculata (L.) Walp) and sorghum (Sorghum bicolor (L.) Moench), four trials were carried out (two in 1984 and two in 1985) in Umarizal and Rafael Fernandes, RN, Brazil. The annual cotton/cowpea association presented a more efficient land utilization than the annual cotton/sorghum system. Cotton yield when intercropped with cowpea was less affected than when spatially distributed on a (2:1) arrangement. There was no difference regarding the yield as related to the cowpea populations studied. Cotton + cowpea in 2:1 arrangement with 40 thousand cowpea plants per hectare was the most efficient association. Annual cotton + sorghum systems didn't present feasible benefits in term of land equivalent ratio (LER).

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Published

1991-05-01

How to Cite

Neto, F. B., Filho, J. T., Holanda, J. S. de, Santos, E. F., & Rosado, C. A. de S. (1991). Effects of cropping system and spatial arrangement in annual cottons/cowpea/sorghum intercropping. Pesquisa Agropecuaria Brasileira, 26(5), 715–727. https://doi.org/10.1590/S1678-3921.pab1991.v26.3396

Issue

v.26, n.5, maio 1991

Section

CROP SCIENCE