随着农业现代化的要求。我国化肥工业发展很快。自治区化肥供应量从七十年代后期,已有较大幅度的增加。每年五十万吨上下,为六十年代最高年份的两倍多,平均亩施化肥22斤。这和全国当前平均亩施八十多斤相比,虽然还很低,但对补偿我区缺磷少氮的土壤养分情况起着积极作用。全区农业 With the requirements of agricultural modernization. China’s fertilizer industry has developed rapidly. Since the late seventies, the supply of chemical fertilizers in the autonomous region has increased by a relatively large margin. 500,000 tons per year up and down, more than twice the highest for the 1960s, an average of 22 pounds per acre fertilizer. Compared with the current average of 80 kilos in the country, it is still low, but it plays a positive role in compensating for the soil nutrients in areas lacking phosphorus and nitrogen. The region’s agriculture