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Taye Tessema
*Kinde Lamessa
JJ Sharma
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*Kinde Lamessa
JJ Sharma
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International Journal of Plant Breeding and Crop Science

Influence of cowpea and soybean intercropping pattern and time of planting on yield and GMV of sorghum based on intercropping system

*Kinde Lamessa1, JJ Sharma2 and Taye Tessema3

1*Oromia Agricultural Research Institute (OARI), Mechara Agricultural Research Center (McARC), Mechara, Ethiopia.

2 School of plant sciences, Haramaya University, P.O.Box:138, Dire Dawa, Ethiopia.

3Ethiopia Institute of Agriculture Research (EIAR), P.O. Box 2003: Addis Ababa, Ethiopia.

Accepted 28 August, 2015.

Citation: Lamessa K, Sharma JJ, Tessema T (2015). Influence of cowpea and soybean intercropping pattern and time of planting on yield and gmv of sorghum based on intercropping system. International Journal of Plant Breeding and Crop Science, 2(2): 055-064.

Copyright: © 2015 Lamessa et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.

Abstract

The study was conducted to determine influence of cowpea and soybean intercropping pattern and time of planting on yield and Gross Monetary Value (GMV) of sorghum. The treatments were included two legume crops, two time of planting, three planting patterns of legumes and sole crops (sorghum, soybean and cowpea). The experiment was conducted in randomized complete block design with three replication. Sorghum/soybean cropping system reduced sorghum grain yield by 23.9% where as sorghum/cowpea reduced by grain yield by 40.3%. The highest LER (1.55) and the lowest LER (1.19) was recorded in sorghum/soybean and sorghum/cowpea intercropping system. Highest gross monetary benefit (20561 Ethiopian birr) accrued from planting two rows of cowpea with the first weeding of sorghum in between the two rows of sorghum. However, it was at par with simultaneous planting of cowpea in double alternate plants within sorghum plants along with two rows of cowpea in between sorghum rows and two rows of soybean planted in between two rows of sorghum with first weeding of sorghum. Legumes crop soybean and cowpea should involved in sorghum cropping either simultaneously planting or sowing at first weeding or hoeing of sorghum.

Key words: Cowpea, GMV, intercropping, LER, planting pattern, sorghum, time of planting