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首页> 外文期刊>Indian Journal of Weed Science >Effect of tillage and weed management practices on weed dynamics, weed seed bank and grain yield of wheat in rice-wheat system
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Effect of tillage and weed management practices on weed dynamics, weed seed bank and grain yield of wheat in rice-wheat system

机译：稻麦系统中耕作和杂草管理措施对小麦杂草动态，杂草种子库和谷物产量的影响

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摘要

A field experiment was conducted during two consecutive Rabi season of2005-06 and 2006-07 at NEB Crop Research Centre of G.B. Pant University of Agriculture and Technology, Pantnagar on sandy loam soil to find out the effect of tillage and weed management practices on weeds, weed seed bank in soil and grain yield of wheat grown after rice. Zero till sown wheat had significantly lesser weed dry weight per unit area as compared to conventional sown wheat. Phalaris minor, Melilotus indica and Chenopodium album seed density in soil were significantly lower under zero tillage as compared to conventional tillage from 0 to 5, 5 to 10 and 10 to 15 cm soil depths. Excellent suppression in weed density and dry weight and higher yield of wheat were obtained with two hand weeding under conventional tillage system. Under weedy situation, zero tillage was found better because of less weed emergence.
机译：在2005-06年和2006-07年连续两个Rabi季节期间，在GB的NEB作物研究中心进行了田间试验。潘特农业科技大学Pantnagar在砂壤土上研究了耕作和杂草管理措施对水稻，稻田中杂草，土壤中杂草种子库和小麦产量的影响。与传统的播种小麦相比，零耕种小麦的单位面积杂草干重要少得多。与传统耕作0至5、5至10和10至15厘米的土壤耕作相比，零耕法下土壤中的ala草，印度Mel和藜属种子的种子密度显着降低。在常规耕作制度下，用两只手除草可以很好地抑制杂草密度和干重并提高小麦的单产。在杂草情况下，由于较少出现杂草，因此发现零耕作更好。

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