关键词: 土壤含水量,灭茬,留茬,覆膜[gap=777]keywords: soil moisture,stubble planning,stubble remaining,film-mulching
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film mulching 地膜覆盖
liquid film mulching 液态地膜
plastic film mulching 塑料薄膜覆盖
duration of film-mulching 覆膜期限
field plastic film mulching 地膜覆盖
transplanted seedling by film mulching 地膜芽苗移栽
film mulching corn 地膜玉米
The test mostly analyse the film mulching hill-drop planter from two aspects: One is mechanism of duck-mouth type punching-opener, One is analyse of metering device .
本文主要从两个方面对覆膜穴播机具进行分析：一是鸭嘴式成穴器的成穴机理；二是外槽轮式排种器的分析。
Underground water quality in rice field under plastic film mulching cultivation was monitored during rice growth period.
对水稻覆膜旱作条件下稻田地下水水质变化作了动态检测。
It has been proved that the film mulching cultivation had better control of underground water pollution caused by fertilizer application in rice field.
水稻覆膜旱作栽培方式能对施肥造成的稻田地下水水质非点源污染起到良好的控制效果。
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