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首页> 外文期刊>Agricultural Water Management >Long-term tillage and irrigation management practices: Strategies to enhance crop and water productivity under rice-wheat rotation of Indian mid-Himalayan Region
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Long-term tillage and irrigation management practices: Strategies to enhance crop and water productivity under rice-wheat rotation of Indian mid-Himalayan Region

机译:长期耕作和灌溉管理实践:在喜马拉雅中年地区稻米旋转下加强作物和水生产率的策略

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摘要

Since reckonable understanding of yield response under long-term (16 year) conservation management practices is the key to improve the productivity and physico-chemical indicators of rice-wheat rotation, impact of long-term tillage and irrigation levels on productivity, yield trend, soil organic carbon (SOC) fractions, carbon pools and sequestration under rice-wheat rotation on sandy clay loam soil of the mid-Himalaya were quantified. A field experiment started from 2001 through 2016 to assess the effect of tillage alterations conventional tillage (CT) and zero tillage (ZT) and four irrigation levels I-1: pre-sowing (PS), I-2: PS + crown root initiation (CRI), I-3: PS + CRI + panicle initiation (PI)/ owering (FL), and I-4: PS + CRI + PI/FL + grain lling (GF), applied at the critical growth stages to rice-wheat rotation. Results confirmed that irrigation management had a significant (p = 0.001) positive impact on grain yield of rice, wheat and system yield after 16 year continuous cropping.
机译:由于在长期(16年)保护管理规范下对产量反应的估计理解是提高水稻小麦旋转生产率和物理化学指标的关键,长期耕作和灌溉水平对生产力,产量趋势的影响,量化土壤有机碳(SOC)碳(SOC)碳(SOC)级分,碳池和稻米旋转下的米饭旋转沉淀物中,MINALATAA中的砂岩壤土土壤中的含量。一个现场实验从2001年到2016年开始,评估耕作变化常规耕作(CT)和零耕作(ZT)和四水平I-1:预播(PS),I-2:PS +冠根启动的影响(CRI),I-3:PS + CRI +胰穗发射(PI)/ oWering(FL),和I-4:PS + CRI + PI / FL +颗粒流量(GF),在临时生长阶段施加到米饭中 - 旋转。结果证实,灌溉管理对16年持续种植后,对水稻,小麦和系统产量的粮食产量具有重要(p = 0.001)阳性影响。

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