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灰化作用
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灰化作用
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灰化作用
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podzolization
灰化作用
土壤铁、铝、锰等金属离子与有机酸螯合淋溶淀积,在土体上部形成二氧化硅相对富集的灰白色淋溶层,而在土体下部形成三、二氧化物相对富集的淀积层的过程。
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forestry optimization decision technology
forestry output value
forestry park management
forestry pest inspection and quarantine
forestry policy
forestry policy history
forestry policy system
forestry production factors
forestry production statistics
forestry production structure
forestry productivity
forestry program
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forestry remote sensing
forestry residual collector
forestry residues
forestry resource economics
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forestry sensor network
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forestry speciality survey
forestry stakeholders
forestry statistics
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