摘要
对地处沙漠边缘民勤沙区耕作土壤中的 Cu、Zn、Fe、Mn等 4种微量元素的含量进行分析。结果与全国有效态微量元素分级标准进行比较 ,土壤中 Cu的含量处于高水平 ,Zn的含量处于中低水平 ,Fe处于中低水平 ,Mn处于高水平。在农业生产中应适当补施 Zn、Fe微肥 。
The analysis on content of 4 trace elements such as Cu、Fe、Zn、Mn etc.In cultivated soil of Mingqing sandy distract have been made. Meanwhile, the results of comparing with the national classical standard of trace elements of Cu and Mn are in high level. The suggestion was provided: Zn and Fe should be properly put into use in agricultural production and strengthen field management.
出处
《甘肃林业科技》
2000年第3期1-3,26,共4页
Journal of Gansu Forestry Science and Technology
