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灰褐土
释义
灰褐土
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农学
灰褐土
释
Gary-cinnamon forest soil
灰褐土
温带、寒温带干旱和半干旱地区山地旱生森林灌丛植被下发育的土壤。在中国土壤分类暂行草案(1978)及第二次全国土壤普查分类(1988)中,列为半淋溶土土纲灰褐土土类;在中国土壤系统分类中,相当于干润始成土或钙积干润均腐土;在美国土壤系统分类中,部分相当于钙积半干润软土[注]、黏淀半干润软土[注]、弱发育暗色始成土[注];在联合国世界土壤图(1988)图例中,部分相当于弱发育灰色森林土[注]、钙积灰色森林土[注]、腐殖质雏形土[注]单元。20世纪30~40年代,曾称森林棕钙土、森林栗钙土。又称褐色森林土、灰褐色森林土。
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law of commutation
law of commutativity
law of complementation
law of composition
law of compound transposition
law of conservation and transformation of energy
law of conservation of angular momentum
law of conservation of charge
law of conservation of energy
law of conservation of mass
law of conservation of matter
law of conservation of mechanical energy
law of conservation of moment of momentum
law of conservation of momentum
law of constancy of interfacial angles
law of consular relations
law of contiguity
law of contradiction
law of contraposition
law of cooling
law of corresponding state
law of corresponding states
law of cosines
law of criminal saturation
law of currency circulation
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