This article Citation:

v. P. Singh, Govindra Singh, R. K. Singh, S. P. Singh, A. Kumar, G Sharma, M. K. Singh, Mortin Mortimer and D. E. Johnson. 2005. Effect ofWeed Management and Crop Establishment Methods on Weed Dynamics and Grain Yield ofRice . Indian Journal of Weed Science : 37( ) 188- 192.







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Volume Issue Publication year Page No Type of article
37 2005 188-192 Full length articles
Effect ofWeed Management and Crop Establishment Methods on Weed Dynamics and Grain Yield ofRice

v. P. Singh, Govindra Singh, R. K. Singh, S. P. Singh, A. Kumar, G Sharma, M. K. Singh, Mortin Mortimer and D. E. Johnson

DOI: IJWS-2005-37-3&4-8

Email:
Address: G. B. Pant University ofAgriculture & Technology, Pantnagar-263 145 (Uttaranchal)

Keywords:



Abstract:

Effect of rice establishment methods and weed management practices on weeds and grain yield of rice was studied. The maximum reduction of weed species was obtained with application of herbicides as pre-emergence supplemented by two hand weedings at 30 and 60 DAS/DAT under all the establishment systems of rice. The maximum weed dry matter reduction was achieved under herbicides fb two hand weedings in transplanted rice followed by herbicide as pre-emergence supplemented with two hand weedings in wet seeded rice and application of herbicide as pre-emergence supplemented with two hand weedings in zero till rice. The highest yield (4623 kg ha") was achieved by the application of herbicide supplemented with two hand weedings in transplanted rice which was significantly higher than the other treatments. Among the direct seeded rice the highest yield (4222 kg ha") was recorded under wet seeding employed with two hand weedings and on par with application of herbicide followed by one hand weeding under transplanting.





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