NITROGEN UPTAKE BY WEEDS AND RICE CROP UNDER DIFFERENT WEED CONTROL METHODS

K.N.SINGH AND S.N. SHARMA

doi:https://doi.org/10.29321/MAJ.10.A01253

Madras Agricultural Journal

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NITROGEN UPTAKE BY WEEDS AND RICE CROP UNDER DIFFERENT WEED CONTROL METHODS

Author: K.N.SINGH AND S.N. SHARMA,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 82, Issue: sep-oct,

DOI:https://doi.org/10.29321/MAJ.10.A01253

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Abstract

The field experiment conducted during kharif season of 1988 and 1989 at Varanasi (U.P.) revealed that nitrogen removal by both crop and weeds increased with increase in fertility of soil. However, narrow spacing helped to reduce nitrogen uptake by weeds and it was less with two hand weeding followed by butachlor + one hand weeding. In crop, two hand weeding resulted in maximum uptake of nitrogen followed by butachlor+ one hand weeding.

Keywords: Weed Drymatter, Rice Yield, Nitrogen Uptake, Weed Control Methods.

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