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Weed management in rice established by different methods

机译：用不同方法建立的大米的杂草管理

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摘要

The field experiment was conducted at Agronomy Department Farm, College of Agriculture, Dapoli, during Kharif (rainy) seasons 2016 and 2017 to study the effect of established by different methods of rice establishment on weeds. The field experiment was laid out in a strip plot design comprising of twenty five treatment combinations replicated thrice. The horizontal strips comprised five rice establishment methods, viz. sowing of dry seeds by drum seeder at onset of monsoon , sowing of sprouted seeds(Rahu) by drum seeder in puddled field, broadcasting of sprouted seeds {Rahn) in puddled field, system of rice intensification (SRI) method and conventional transplanting. The vertical strips consisted five weed management practices, viz. need based twohand weedings at 20/30 and 40/60 DAS/DAT, pre-emergence application of oxadiargyl 80 WP 100 g/ha + 1 hand weeding at 20/30 DAS/DAT, pre-emergence application of oxadiargyl 80 WP 100 g/ha+ 1 hand weeding at 40/60 DAS/DAT, pre-emergence application of oxadiargyl 80 WP 100 g/ha + post-emergence application of Almix 20 WP 4 g/ha and unweeded control. SRI method with two hand weedings carried out at 20 and 40 DAT recorded highest grain and straw yield of rice and lowest weed density and dry weight of weeds as compared to remaining treatment combinations during both the seasons.
机译：现场实验是在农业部农场，农业学院，Dapoli，2016年和2017年赛季，研究了不同方法在杂草上建立的米饭建立的效果。在带有二十五个治疗组合的条形图设计中布置了田间实验，其自三十五种治疗组合。水平条带包括五种稻米建立方法，viz。播种季风播种机播种季风播种机，通过鼓播种机播种散布的种子（RAHU），在Puddled田野中，在水稻强化（SRI）方法和常规移植系统中播出的发芽种子{Rahn）。垂直条带包括五个杂草管理实践，viz。需求在20/30和40/60 DAS / DAT的自动杂草，氧代乙酰达80 WP 100 g / ha + 1手中涂抹于20/30 das / dat，氧化性氧代克的预先施用80 wp 100 g / HA + 1手除草于40/60 DAS / DAT，氧代戈基的射流施用80 WP 100 g / ha +出苗后Almix 20 Wp 4 g / ha和无筒式控制。与20和40 DAT进行的两手杂草进行的SRI方法记录了大米和稻草产量的最高谷物和稻草产量，而杂草的最低杂草密度和干重相比剩余治疗组合在季节中的剩余处理。

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  • 来源
    《Indian Journal of Weed Science》 |2019年第4期|共5页
  • 作者

    G.B. Shendage; L.S. Chavan; V.N. Game;

  • 作者单位

    Department of Agronomy College of Agriculture Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth Dapoli Maharashtra India;

    Department of Agronomy College of Agriculture Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth Dapoli Maharashtra India;

    Department of Agronomy College of Agriculture Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth Dapoli Maharashtra India;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 植物保护;
  • 关键词

    Kharif; Method; Rice; Weed; Yield;

    机译：Kharif;方法;米;杂草;产量;

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