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Solonchak
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Solonchak
Encyclopedia
农学
盐土
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Solonchak
盐土
表层(0~30厘米)中含盐量超过6~20克/千克已形成明显积盐层的土壤。氯化物盐土含盐量下限为6克/千克,氯化物-硫酸盐和硫酸盐-氯化物盐土为10克/千克,硫酸盐盐土的积盐下限为20克/千克。在中国土壤分类暂行草案(1978)及全国第二次土壤普查(1988)中,列为盐成土纲、盐土土类;在中国土壤系统分类(2001)中,相当于正常盐成土[注];在美国土壤系统分类中,部分相当于积盐干旱土[注]、含盐潮湿始成土[注];在世界土壤资源参比基础(2013)中,部分相当于盐土[注]。
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imperial control over military strategy and operations
Imperial-court Decorative Painting
imperial credential written with red cinnabar on an iron plate
imperial decree
imperial decrees
imperial decrees declared by the Cabinet
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Imperial Diary Office
Imperial Divine Temple
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imperial edict of senior official appointment
imperial edict on officials' code of conduct
imperial edict sent by telegram
Imperial Edicts Issued by Emperor Guangxu and Emperor Xuantong
Imperial Edicts Issued by Emperor Qianlong
Imperial Edicts of Successive Emperors of the Great Qing
Imperial Edicts of the Qing Dynasty
Imperial Edicts of the Western and Eastern Han Dynasties
Imperial Examination
imperial examination for children
imperial examination for provincial bannermen
imperial examination fund
Imperial Examinations
imperial examination system
Imperial Examination Systems in Qing Dynasty
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