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首页> 外文期刊>Indian Journal of Weed Science >Spacing and weed management influence on productivity andeconomics of sunflower
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Spacing and weed management influence on productivity andeconomics of sunflower

机译：对向日葵生产力和经济学的间距和杂草管理影响

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摘要

Field experiment on economics and productivity of sunflower with response to spacing and weed management practices was conducted at Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, during rainy season of (Kharif) 2016 and 2017 with objective of checking the suitability of spacing for moment of power weeder. Experiment was laid out in strip plot design and replicated thrice. The treatment comprised of five horizontal factors as plant spacing and five vertical factors as weed management practices. The higher cost of cultivation was registered with spacing 90 x 15 cm among different spacing and increased in gross returns, net returns, B:C ratio, per day return and seed yield with the spacing 75 x 25 cm. Hand weeding twice at 15 and 30 DAS recorded the higher cost of cultivation, gross returns, per day returns and seed yield among the different weed management practices during the both years of experimentation. Results of two year experimentation revealed that increased in net returns with pendimethalin at 1 kg/ha followed by hand weeding at 30 DAS and higher B:C ratio was recorded with pendimethalin at 1 kg/ha followed by weeder at 30 DAS.
机译：在泰米尔纳德纳都农业大学，泰米尔纳德纳州（Kharif）2016年和2017年雨季，泰米尔纳都农业大学（Coimbatore）在泰米尔纳都农业大学，达米尔·纳德，2016年和2017年的日常景观和杂草管理实践的现场试验。目的是检查间距的适用性Power Weeder。实验在剥离图设计和复制的三次上布置。治疗包括五种水平因素，作为植物间距和五种垂直因素，如杂草管理实践。在不同间隔的间距90×15厘米的间距，净返回，净返回，B：C比率，每天返回和种子产量，培养成本更高，净返回，间距为75×25厘米。手中的杂草在15和30日达到两次DAS记录了培养成本较高，总回报，每天回报和种子产量在两年内的不同杂草管理实践中。结果两年的实验显示，在1kg / ha的净返回中净返回增加，然后用30 das和更高的b：c比率在1kg / ha下用pendimethalin记录比例，然后在30 das下进行。

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