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Vertical Distribution of Soil Nutrients in Sugarcane Field in Changning, Yunnan
Author(s): 
Pages: 1072-1075
Year: Issue:  6
Journal: CHINESE JOURNAL OF SOIL SCIENCE

Keyword:  土壤养分垂直分布蔗园;
Abstract: 研究了蔗园土壤养分的垂直分布特征.结果表明:(1)不管是在旱地蔗园还是在水田蔗园,0~30 cm土层的有机质、水解氮、速效磷、速效钾等主要养分含量明显高于30~60 cm的土层,但全氮、全磷、全钾在0~30 cm土层与30~60 cm土层之间没有明显的变化.(2)旱地蔗园的有效铁、有效锰和有效铜0~30 cm土层比30~60 cm土层高,有效锌含量在0~30 cm的土层与30~60 cm的土层之间变化不大.
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