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hoe steel
相关语句
  相似匹配句对
     -steel,s.
     -钢,Ti-S.
短句来源
     R & D of Microalloyed Steel
     微合金钢的开发与研究
短句来源
     HOE Infrared Thermometer
     全息红外测温仪
短句来源
     The Evolution of the Hoe and Its Inspiration
     锄的演变及其启示
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Technology for cutting wheat roots by mechanical method is from high-yield wheat cultivation practice,which is an important match technology for precision sowing and high production planting of winter wheat.Root-cutting method,models of hoe steels or cutting blades assembled,are the most important factors influencing root-cutting quality and yield-increasing effect.According to the requirements of agricultural planting measures,three root-cutting models were given as follows: model of hoe steels...

Technology for cutting wheat roots by mechanical method is from high-yield wheat cultivation practice,which is an important match technology for precision sowing and high production planting of winter wheat.Root-cutting method,models of hoe steels or cutting blades assembled,are the most important factors influencing root-cutting quality and yield-increasing effect.According to the requirements of agricultural planting measures,three root-cutting models were given as follows: model of hoe steels assembled,model of blades assembled,combined model of hoe steels & blades assembled.Root-cutting quality and yieldincreasing effect were experimented on three root-cutting models.The experimental results show that three rootcutting models can evidently cut wheat roots and increase wheat yield,and the root-cutting ratio is 25.8%~42.1%,in comparison with the wheat field without cutting roots,the yield of winter wheat increased by 9.96%~11.41% on the average.Among the three root-cutting models,the combined model of hoe steels and blades assembled cut off the most roots from wheat with the root-cutting ratio of 42.1%,root-cutting depth 10.2 centimeters,which increased the roots to grow fastest after winter and the most yield was increased by 11.41%;with this model,root-cutting machine worked more stably,with no soil turning over and no harm to wheat plants after finishing root-cutting process.The(combined) model of hoe steels and blades assembled should be selected and applied firstly.

冬小麦机械断根技术源于小麦高产的生产实践,是冬小麦精播高产栽培的重要配套技术,机械断根方式是影响小麦断根质量和断根效果的重要因素。根据小麦机械断根的农艺要求,设计了三种断根方式:锄铲断根、刀片断根、锄铲+刀片组合断根,对三种断根方式的断根效果和增产效果进行了试验研究,为正确设计小麦断根机械提供了依据。试验结果表明:三种断根方式都有明显的断根效果和增产效果,断根率为25.8%~42.1%,与对照相比,小麦产量平均提高9.96%~11.41%。其中,锄铲+刀片组合断根工作稳定、不翻土、不损伤麦苗,单株断根率为42.1%,平均断根深度10.2 cm、变异系数小,对根系生长的促进作用最大,断根增产效果最显著,比对照提高11.41%。综合各项指标,小麦进行机械断根作业时的工作部件应选用锄铲+刀片组合方式配置。

 
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