Effect of Planting Pattern on Yield of Rice

P. POTHIRAJ; Y. B. MORACHAN and K. K. SUBBIAH

doi:https://doi.org/10.29321/MAJ.10.A03207

Madras Agricultural Journal

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Effect of Planting Pattern on Yield of Rice

Author: P. POTHIRAJ, Y. B. MORACHAN and K. K. SUBBIAH,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 64, Issue: jul-jul,

DOI:https://doi.org/10.29321/MAJ.10.A03207

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Abstract

Six planting patterns and split application of nitrogen were tried with rice varieties Kanchi and Kannagi. Kanchi was found to be superior to Kannagi in which split appli- cation of N had least effect on grain yield. Planting 100 hills per m² with one seedling per hill recorded the highest grain yield of 7000 kg/ha followed by 50 hills per m with two seedlings per hill with 6700 kg/ha. Planting more than two seedlings per hill and adopting wider spacing significantly reduced the grain yield due to over crowd- ing and mutual shading resulting in intra-plant competition.

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