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尿素是我国当前最主要的氮素化肥之一,在我场农业生产中尿素的使用量占绝对优势,占氮素化肥用量的百分之九十以上。但是由于
Urea is one of the most important nitrogenous fertilizers in our country. Urea utilization in agricultural production in our field has an absolute advantage, accounting for more than 90% of the nitrogenous fertilizer consumption. But due to