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近年来,在国外出售一种用硫磺裹着尿素的颗粒肥料,人称硫包衣肥料。这种肥料的有效利用率比普通尿素提高一倍,因而深受农户欢迎。
In recent years, the sale of a foreign country with urea encapsulated urea granular fertilizer, known as sulfur coating fertilizer. The effective utilization of such fertilizers doubled the average urea, which welcomed by farmers.