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本文通过对四川省内江市双桥乡土壤营养元素N、P、K的分级评价,结合GIS空间技术,研究营养元素缺失的空间格局分布,并提出土地生态管护建议。
Based on the grading evaluation of soil nutrients N, P and K in Shuangqiao Township, Neijiang City, Sichuan Province, combined with GIS space technology, this paper studied the distribution of spatial pattern of nutrient deficiency and proposed ecological management and protection suggestions.