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Lime concretion black soil
释义
Lime concretion black soil
Encyclopedia
农学
砂姜黑土
释
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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smoothing process
smoothing property
smoothing resistor
smoothing spline
smoothing tool
smooth invariant measure
smooth knot
smoothly clipped absolute deviation
smoothly embedded
Smoothly Flowing Melodies
smooth manifold
smooth map
smooth mapping
smooth measure
smooth morphism
smooth muscle
smooth muscle contraction
smoothness
smoothness class
smoothness condition
smoothness of a solution
smoothness of solutions
smooth number
smooth object
smooth partition
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