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冬春小麦追肥宜用碳铵张立清，冷惠兰在我国现有的氮肥品种中，尿素和碳铵（碳酸氢铵）施用比较普遍，其中尿素更受农户欢迎，在冬季和早春低温时节，尿素也常被作为基肥、追肥施用。据有关试验表明：冬春低温时节施用尿素的效果远不及碳铵好，首先尿素的肥效比碳铵缓慢，...
Suitable winter wheat and spring wheat topdressing use of ammonium bicarbonate Zhang Liqing, Cold Whelan in China’s existing nitrogen varieties, urea and ammonium bicarbonate (ammonium bicarbonate) application is more common, of which urea is more welcomed by farmers in the winter and early spring low temperature season, urea Often used as a base fertilizer, topdressing application. According to the tests showed that: the application of urea in winter and spring low temperature season is far less effective than ammonium bicarbonate, the first urea fertilizer efficiency than ammonium bicarbonate slowly, ...