Effect of Pre-Sowing, Nitrogen and Plant Density on Yield and Yield Components of Maize CV. SC 704

Document Type : Research Paper

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Abstract

Abstract
        The effect of pre-sowing treatments and nitrogen rates on yield and yield components of corn (SC704) in two planting density, were assessed by field experiment as split-split plots based on randomized complete block design (RCBD) with four replications, during 2013-2014 growing season in Karaj. Four pre-sowing treatments, Fallow, Manure, green manure Perko PVH and Buko  from brassicaceae family were main factors, three rates of nitrogen as 120, 240 and 360 kg.ha-1  were sub-factors and two planting density (8 and 12 plants.m-2) were sub-sub factor. The results illustrated that the effect of pre-sowing treatments and nitrogen rates interactions and plant density on biological yield, number of rows per ear, number of kernels per row, number of kernels per ear, grain yield per unit area and grain weight were significant. The highest rate of all variables were obtained from the Perko PVH, by consuming of 240 kg N.ha-1 and plant density of 8 plants.m-2. Pre-sowing consuming of with Perko PVH 240 kg N.ha-1, due to producing highest grain yield is recommend for Karaj region.
 

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References

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JOURNAL OF AGRICULTURAL SCIENCE AND SUSTAINABLE PRODUCTION
Volume 28, Issue 2
August 2018
Pages 1-13

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