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灌溉草地田间持水量
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灌溉草地田间持水量
Encyclopedia
农学
草地土壤墒情
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field capacity for irrigated grassland
灌溉草地田间持水量
在地下水较深和排水良好的土地上充分灌水或降水后,允许水分充分下渗,并防止其水分蒸发,经过一定时间,灌溉草地土壤剖面所能维持的较稳定的土壤水含量(土水势或土壤水吸力达到一定数值),是大多数草类可利用的土壤水上限。
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regulation on nuclear safety-related components activities
Regulation on Plant Quarantine of the People's Republic of China
Regulation on Pricinig and Sale of Textbooks and Other Books
Regulation on Protection of Basic Farmlands
Regulation on Protection of Fossils
Regulation on Protection of Seismic Monitoring Facilities and Seismic Observation Environment
Regulation on Public Access to Government Information of the People's Republic of China
Regulation on Recovering the Chinese Jurisdiction in International Concessions in Shanghai
Regulation on Reponses to Public Health Emergencies
Regulation on Safety and Protection of Radioisotopes and Radiation Devices
Regulation on Special Fund for State Film Industry Development
Regulation on Textbook Censorship
Regulation on the Administration of Business Sites of Internet Access Service
Regulation on the Administration of Commercial Performances
Regulation on the Administration of Housing Accumulation Funds
Regulation on the Administration of Publication
regulation on the biosafety management
Regulation on the Emergency Response to and Investigation and Handling of Electric Power Safety Accidents
Regulation on the Employment of the Disabled
regulation on the handling of medical accidents
Regulation on the Prevention and Control of Geologic Disasters
Regulation on the Protection of Famous Historical and Cultural Cities, Towns and Villages
Regulation on the Protection of Great Wall
Regulation on the Quality Management of Construction Projects
Regulation on the Relief of Natural Disasters
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