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土壤区划
释义
土壤区划
Encyclopedia
农学
土壤资源
释
soil regionalization
土壤区划
以土壤群体在地面组合的区域特征异同为依据,对土壤类型的划分。通常将相同或相似的土壤群体划归为同一个单元区,在同一个单元区内再根据土壤群体的某些差异进行续分。是综合自然区划的重要组成部分,也是农业区划的基础工作。
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irreversible process
irreversible reaction
irreversible superconductor
irreversible thermodynamics
IRRI
irrigation
irrigation amount of each event
irrigation and drainage experiment station
irrigation and drainage history of China
irrigation and drainage in China
irrigation and drainage project
irrigation and drainage pumping station
irrigation and drainage pump station planning
Irrigation and Drainage Regulations
Irrigation and Drainage Rules of the North Song Dynasty
irrigation and drainage station of electric engineering
irrigation and fertilization machinery
irrigation area
irrigation areas in China
irrigation canal system
irrigation date
irrigation development planning
irrigation district management organization
irrigation duty
irrigation efficiency
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