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胡敏素
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胡敏素
Encyclopedia
农学
土壤有机质
释
humin; HM
胡敏素
土壤和海洋沉积物中不溶于水、稀酸、稀碱、有机溶剂的有机高分子化合物。是腐殖物质中与土壤矿物结合最紧密的组分。又称黑腐素。
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objective catalog
objective classification
objective contacts approach
objective contradiction
objective dialog
objective evaluation
objective function
objective gloss
objective grating
objective grating and Grism
objective idealism
objective item
objective knowledge
objective knowledge organization
objective knowledge theory
objective [lens]
objective lens
objective magnification
objective magnification power
objective model
objective of livelihood
objective of national economy management
objective of population control
objective of resources and environment
objective of water conservancy planning
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