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Integrated weed management in maize-sunflower cropping system

机译:玉米-向日葵种植系统中的杂草综合治理

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A field experiment was conducted during Rabi andKharifseason of 2012 and 2013 at Veppantattai to study the effect of tillage and weed management methods on weeds dynamics and yield of maize-sunflower cropping system. Results revealed that conventionaltillage with disc plough followed by cultivator tillage twice and pre-emergence herbicide (atrazine 0.5 kg/ha for maize and pendimethalin 1.0 kg/ha for sunflower), followed by hand weeding on 40 DAS kept the weed density and weed dry weight below the economic threshold level and increased the productivity, net returns and benefit: cost ratio of maize-sunflower cropping system in clay loam soils under irrigated condition.
机译:在2012年和2013年的拉比和哈里夫季节在韦潘塔塔进行了田间试验,研究了耕作和杂草处理方法对玉米-向日葵种植系统杂草动态和产量的影响。结果表明,传统的盘式耕作耕作方法,然后是耕种机耕作两次,出苗前使用除草剂(玉米at去津为0.5 kg / ha,向日葵为二甲乐灵1.0 kg / ha),然后在40 DAS上进行手工除草,可保持杂草密度和杂草干重低于经济阈值水平,并提高了灌溉条件下粘土壤土上玉米-向日葵种植系统的成本比,从而提高了生产率,净收益和效益。

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