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black soil in China
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black soil in China
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理学
中国的土壤类型(发生学分类)
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black soil in China
中国的黑土
温带湿润或半干润区草原化草甸植被下,具有均腐殖质积累和淋溶过程,通体无石灰反应,呈中性的黑色土壤。
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