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首页> 外文期刊>Indian Journal of Weed Science >Weed management in transplanted ragi
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Weed management in transplanted ragi

机译：Ragi移栽杂草处理

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Finger millet is the most important small millet grown in India in an area of 1.26 M ha with a production of 1.89 M t and a productivity of 1.48t /ha (Ministry of Agriculture 2010). The production and productivity of finger millet is low because of inefficient irrigation, nutrient management, heavy weed infestation, incidence of blast disease etc. Among these, weed infestation is a serious threat to its production. Uncontrolled weed growth during crop period reduced the grain yield ranging from 34 to61% (Ramachandra Prasad et al. 1991).The critical period for crop-weed competition is five weeks after planting (Nanjappa 1980). In order to increase the productivity, it is imperative to minimize weed competition particularly during the critical periodof the crop. Although manual weeding is effective, it is time consuming and labour intensive. By the time it practiced, the crop will have been sufficiently damaged by weed competition. So, controlling weeds by the use of herbicides is receiving attention due to shortage of labour and increased labour wages. There is also a demand from farmers for the selective pre or post emergence herbicides which became cheaper when compared to manual weeding for timely control of weeds in ragi crop. Hence, this investigation was planned with an objective to find out the most suitable weed management practice for control of weeds in transplanted ragi.
机译：手指小米是印度最重要的小米，面积为126万公顷，产量为189万吨，生产力为1.48吨/公顷（农业部，2010年）。由于灌溉效率低下，养分管理不善，杂草侵染严重，稻瘟病的发生等原因，导致小米的产量和生产力较低。其中，杂草侵害对其生产构成严重威胁。作物期杂草的无节制生长使谷物产量降低了34％至61％（Ramachandra Prasad et al.1991）。作物杂草竞争的关键时期是种植后五周（Nanjappa 1980）。为了提高生产力，必须最大限度地减少杂草的竞争，尤其是在作物的关键时期。尽管手动除草是有效的，但它既费时又费力。到实践时为止，杂草竞争已对作物造成了充分的损害。因此，由于劳动力短缺和劳动工资增加，使用除草剂防治杂草受到关注。农民也对选择性出苗前或出苗后的除草剂有需求，与手动除草相比，这种除草剂便宜以及时控制拉吉作物中的杂草。因此，计划进行此调查的目的是找出最合适的杂草处理方法，以控制移栽的ragi中的杂草。

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