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Effect of integrated weed management on yield and nutrient uptake by rainfed rice (Oryza sativa) in acid soils of Nagaland

Sharma, U.C.; Choudhury, A.N.; Khan, A.K.

Indian Journal of Agronomy 39(4): 553-556

1994


ISSN/ISBN: 0537-197X
Accession: 002602427

The efficiency of weed control by herbicides (0.8 kg ai/ha 2,4-D, 2.0 kg butachlor, 1.5 kg thiobencarb and 1.5 kg fluchloralin applied 1 or 7 days after transplanting (DAT), and 0.5 + 0.75 kg 2,4-D + butachlor applied 5 DAT), manual weeding with a Japanese weeder (25 and 45 DAT) and hand-weeding (25 and 45 DAT) was compared by recording grain and straw yields as well as N, P and K uptake by the rice (cv.

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