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Bleach grey soils
释义
Bleach grey soils
Encyclopedia
农学
漂灰土
释
Bleach grey soils
漂灰土
寒温带针叶林下发育的离铁潜育型土壤。在中国土壤分类(1978)和中国第二次土壤普查土壤分类(1988)中,列为淋溶土土纲漂灰土土类;在中国土壤系统分类中,大部分归入湿润雏形土亚纲漂白冷凉湿润雏形土亚类,但不能排除部分土壤具有灰化淀积层因而也可能属于灰化土;在美国土壤系统分类中,大致相当于冷冻潮湿始成土[注]和冷冻潮湿新成土[注];在联合国世界土壤图图例中,大致相当于永冻雏形土和永冻潜育土土壤单元。又称山地灰化土(1954)、森林潜育土(1955)、棕色灰化土(1956)、灰化土(1978)、灰壤(1985)、潜育棕色针叶林土(1986)。
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