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Performance of wet-seeded rice under different weed management practices

机译：不同杂草处理方式下湿稻的表现

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摘要

A field experiment was conducted during 1999-2000 to find out an effective and economic weed management practice for wet-seeded rice by employing different weed management practices viz., pre-emergence herbicides such as pretilachlor, butachlor, pendimethalin an early post-emergence herbicide butanil in combination with mechanical and manual weeding. In addition, green manure (Dhaincha) intercropping and incorporation by cono-weeder, mechanical weeding and hand weeding twice alone were tested with unweeded control. Pre-emercence application of pretilachlor + safener @ 0.3 kg ha~(-1) + hand weeding twice on 30 and 45 days after sowing (DAS) promoted the higher weed control efficiency and yield attributes viz., plant population, productive tillers, filled grains panicle~(-1), 1000-grain weight and grain yield. Higher net income and benefit: cost were also recorded with this treatment.
机译：在1999-2000年间进行了田间试验，通过采用不同的杂草处理方法（如出苗前除草剂如丙草胺，丁草胺，戊二甲灵）和不同的杂草处理方法，来找出湿稻的有效和经济的杂草处理方法。丁腈与机械和手动除草相结合。另外，在未经除草的对照下，对绿肥（Dhaincha）间作和通过除草机，机械除草和手工除草两次进行了试验。播前（DAS）在播种后30和45天两次在田间施用丙草胺+安全剂@ 0.3 kg ha〜（-1）+手工除草，促进了较高的杂草控制效率和产量属性，即植物种群，高产分till，填充穗粒〜（-1），千粒重和籽粒产量。更高的净收入和收益：使用这种处理方法还可以记录成本。

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