【摘要】 采集新疆4个典型灌淤土和其源土样品,分析养分含量,进行时间和空间尺度变化的比较分析,结果表明,现代人类活动使灌淤土有机质、全氮、有效氮和有效磷含量增加,有效钾降低,微量元素铜、铁、锌、锰等的有效含量增加,进一步分析表明合理的管理和利用土壤是灌淤土养分含量维持和增加的关键。更多还原

【Abstract】 By sampling several typical irrigating warped soils in Xinjiang of China, We analyzed soil nutrient contents and influences resulted from modern human activities on temporal and spatial scale. Results showed that contents of soil organic matter, total N, available N, available P, available Cu, available Zn, available Fe and available Mn increased resulted from human activities.更多还原