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Effect of different Spatial arrangements on the Growth and yield of Maize (Zea mays L.) and Groundnut (Arachis hypogaea L.) intercrop in the Sandy Regosol of Eastern region of Sri Lanka

Author Affiliations

  • 1Department of Crop Science, Eastern University, Vantharumoolai, SRI LANKA
  • 2Department of Crop Science, Eastern University, Vantharumoolai, SRI LANKA

Res. J. Agriculture & Forestry Sci., Volume 3, Issue (2), Pages 16-19, February,8 (2015)


A study was carried out at the Crop Farm of the Eastern University, Sri Lanka to evaluate the effects of different spatial arrangements on the growth and yield of maize and groundnut in an intercropping system. Nine treatments were defined and experimental arrangement was randomized complete block design (RCBD) with four replicates. The results revealed that compared to monocropping of maize yield, T8 and T9 (paired row planting of maize with two rows of groundnut in between paired rows) provided 13% and 6% increased yield, respectively. Highest Land Equivalent Ratio was recorded in T8 (1.86) followed by T9 (1.81). Therefore, it could be concluded that 45/30 cm paired row planting of maize with two rows of groundnut in between paired rows, is the best spatial arrangement to maximize yield advantage of maize groundnut intercropping in the sandy regosol of Eastern region of Sri Lanka.


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