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涂层尿素由尿素加入尿酶抑制剂和微量元素等制成，为研究这一化肥新品种在水稻上的肥效，进行了本试验。１材料和方法１．１试验设计试验在舒城县、来安县、淮南市３个点进行。设３个处理：Ａ．不施氮肥；Ｂ．施涂层尿素；Ｃ．施与Ｂ等养分量的普通尿素。小区面积２４ｍ２...
The coated urea is made of urea with the addition of urease inhibitors and trace elements, etc. This experiment was conducted to study the fertilizer effect of this new chemical fertilizer on rice. 1 Materials and Methods 1.1 Experimental Design Tests Shucheng County, Lai’an County, Huainan City, three points. Set three processing: A. No nitrogen fertilizer; B. Application of urea; C. Application and B and other nutrients the amount of ordinary urea. Area of 24m2