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Herbicides for weed management in dry direct-seeded rice

机译:在干燥直播稻中杂草管理的除草剂

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A field experiment was conducted during the Kharif'season of 2015 to 2017 for three years at Agricultural Research Station, Vadgaon Maval, Pune, Maharashtra to find out the efficacy of different weed control methods on dry direct-seeded rice and its economics. Pretilachlor 0.450 kg/ha as pre-emergence application (PE) at 2-3 days after sowing (DAS) followed by (fb) azimsulfuron 0.035 kg/ha as post-emergence application (PoE) at 25 DAS effectively managed weeds in dry-DSR and gave the higher grain yield (5.62 t/ha), net returns (IR/s 82777/ha), higher B:C ratio (2.8) with lower weed index (2.78) and higher weed control efficiency (87.7%).
机译:在2015年至2017年的Kharif'season期间在农业研究站,Vadgaon Maval,Pune,Maharashtra进行了三年的田间试验,以了解不同杂草控制方法对干燥直播水稻及其经济学的效果。 Pretilachlor 0.450 kg / ha作为出苗前施用(pe)在播种(das)后2-3天,然后(fb)azimsulfuron 0.035 kg / ha作为出苗后的应用(poe)在25 das,有效地管理干燥中的杂草 DSR并提供较高的谷物产量(5.62 T / HA),净返回(IR / S 82777 / HA),较低的杂草指数(2.78)和更高的杂草控制效率(87.7%),更高的B:C比(2.8)。

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