Performance of direct-seeded rice under different nutrient and weedmanagement practices

Sheela Barla; R.R. Upasani; Alfa Malika Beck

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Performance of direct-seeded rice under different nutrient and weedmanagement practices

机译：Performance of direct-seeded rice under different nutrient and weedmanagement practices

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Manipulation of crop fertilization with weed management is a promising agronomic practice in reducing weed interference in crops. With this hypothesis, an experiment was conducted at the Birsa Agricultural University, Ranchi, Jharkhand, India during rainy seasons {Kharif) of 2018 and 2019 to study the effect of nutrient and weed management practices on dry direct-seeded rice under split plot design. 100:50:40 kg/ha of N:P:K along with pretilachlor 750 g/ha (pre-emergence) fb bispyribac-Na 25 g/ha (post-emergence) recorded highest grain yield (5.54 t/ha)owing to higher effective tillers and grains/panicle to the extent of 73.5 and 82.8 percent, respectively compared to the minimum attained under lowest nutrient level 60:30:20 kg/ha of N:P:K under weedy check. The combination of 100:50:40 kg/ha of N:P:K along with pretilachlor750 g/ha fb bispyribac-Na 25 g/ha recorded maximum weed management index (5.11) and agronomic management index (4.11) at 60 DAS and higher gross returns (

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来源
《Indian Journal of Weed Science》 |2021年第2期|135-141|共7页
作者
Sheela Barla; R.R. Upasani; Alfa Malika Beck;
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作者单位

Department of Agronomy, Birsa Agricultural University, Ranchi, Jharkhand 834006, 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
Agronomic management index; Weed control efficiency; Weed indices; Weed management index; Weed persistence index;

Performance of direct-seeded rice under different nutrient and weedmanagement practices

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