Yield response of fine rice to NP fertilizer and weed management practices. | [Pakistan Journal of Botany • 2009]

Author(s):

1. Ehsanullah: Department of Agronomy, University of Agriculture, Faisalabad, Pakistan

2. Atique-Ur-Rehman: Department of Agronomy, University of Agriculture, Faisalabad, Pakistan

3. Qaisar Arshad: Department of Agronomy, University of Agriculture, Faisalabad, Pakistan

4. S. Shamshad Hussain Shah: Department of Agronomy, University of Agriculture, Faisalabad, Pakistan

Abstract:

Investigations were conducted to examine the effect of plant nutrition and weed management practices on weed biomass, yield contributing parameters and grain yield of fine rice cultivar Basmati-2000. The crop was treated with N and P @ 100 and 80 kg ha-1; half of it; and no fertilizer. Weed controlling practices included different weedicides; hoeing at 30 and 45 days after transplanting in addition to weedy check. Weed biomass (fresh and dry) with and without fertilizer was significantly decreased by hoeing the crop 30 and 45 days after transplanting as compared to other weed control measures. The grain yield increased significantly with N and P (100 and 80 kg ha-1) and by controlling the weeds through interculture twice at 30 and 45 days after transplanting. The increase in grain yield was due to increase in number of total tillers m-2.

Page(s): 1351-1357

DOI: DOI not available

Published: Journal: Pakistan Journal of Botany, Volume: 41, Issue: 3, Year: 2009

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