Non chemical weed management in organically grown direct-seeded aerobic upland rice in newly cleared forest area

Shahane Amit A.; Behera U.K.

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Non chemical weed management in organically grown direct-seeded aerobic upland rice in newly cleared forest area

机译：Non chemical weed management in organically grown direct-seeded aerobic upland rice in newly cleared forest area

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摘要

A field experiment was conducted in newly cleared forest area under organic production system at College of Agriculture (CAU-I), Kyrdemkulai, Meghalaya, India during rainy (Kharif) season of 2020. The objective of experiment was to evaluate timing and frequency of manual and mechanical methods of weed management on weeds, growth and yield of direct-seeded upland aerobic rice. The grain yield for both Sahbhagi Dhan and Bhalum-1 rice varieties was highest in weed free and it was at par with yield in mechanical weeding twice at 23-25 and 45-50 days after seeding (DAS). The manual and mechanical weeding didn't differ significantly due to the use of higher seed rate, lower weed density and uniform distribution of inter and intra-row weeds. The mechanical weeding was found economical than manual weeding due to lesser labour and time requirements for weeding.

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来源
《Indian Journal of Weed Science》 |2022年第1期|87-90|共4页
作者
Shahane Amit A.; Behera U.K.;
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作者单位

College of Agriculture (CAU-I), Kyrdemkulai, Meghalaya 793 105, India;

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原文格式 PDF
正文语种英语
中图分类植物保护;
关键词
Aerobic rice; Mechanical weeding; Non-chemical weed management; Organic production system; Sahbhagi Dhan;

Non chemical weed management in organically grown direct-seeded aerobic upland rice in newly cleared forest area

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