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砂姜黑土
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砂姜黑土
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农学
砂姜黑土
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Lime concretion black soil
砂姜黑土
发育在第四纪河湖相沉积物上的上部为暗色土层、下部为砂姜层的土壤。在中国土壤分类暂行草案(1978)中和中国第二次土壤普查(1988)时,列为半水成土纲砂姜黑土土类;在中国土类系统分类(1991)中,列为潮湿土土纲正常潮湿土亚纲砂姜黑土土类;在中国土壤系统分类(2001)中,划分成钙积潮湿变性土[注]和砂姜潮湿雏形土[注];在美国土壤系统分类和世界土壤资源参比基础(2014)中,部分相当于变性土[注]。曾称砂姜土、潜育褐土和青黑土。
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