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米易县位于四川省西南角,长江上游金沙江水系雅砻江与安宁河交汇区,是一个以粮食作物为主,菜、果、蔗、烤烟并举的高海拔低纬度内陆高原山区农业县,具有独特的气候特点和丰富的光热资源,年平均气温19～20℃,≥l8℃的有效积温7200℃,耕地面积为16710hm2,农村人口181632人。一、农田养分概况1.农田养分消耗
Miyi County is located in the southwest corner of Sichuan Province, the upper reaches of the Yangtze River Jinsha River Yalong River and Anning River intersection, is a food crops, vegetables, fruit, sugar cane, both high altitude and low latitude inland plateau mountain agriculture county , With unique climate characteristics and abundant light and heat resources. The annual average temperature is 19-20 ℃, the effective accumulated temperature is 7200 ℃ for ≥18 ℃, the cultivated area is 16710hm2 and the rural population is 181,632. First, farmland nutrient profile 1. Farmland nutrient consumption