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soil and water conservation tillage measure
释义
soil and water conservation tillage measure
Encyclopedia
农学
水土保持耕作措施
释
soil and water conservation tillage measure
水土保持耕作措施
在水蚀和风蚀的农田中,采用改变小地形、增加植物被覆、地面覆盖和增强土壤抗蚀力等方法,达到保水、保土、保肥、改良土壤、提高产量的农业技术措施。主要用于治理坡耕地的水土流失。
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sea level change/eustasy
sea-level correction
Seal for King of Dian Kingdom
seal head of boiler
seal identification
Sealife Base
sealing
sealing and refutation of the imperial edicts and memorials
sealing channeling by bullheading
sealing channeling by circulation method
sealing channeling by cycle into
sealing channeling by filling in the slurry
sealing-clay inscriptions
sealing fan
sealing fluid
sealing glass
sealing material
sealing material with special media resistance
sealing off channel
sealing structure
sealing technique of vacuum electronic device
sealing up
seal inscriptions
seal memorial to the throne
seal mineral material
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