Come nearly 20 years, in NP the scale of the urea in total wastage and ammonium phosphate increases significantly, compound fat scale is in simple substance phosphate fertilizer and NPK drop.
英
美
释义
近20年来,在氮磷总消耗量中尿素和磷酸铵的比例显著增加,单质磷肥和氮磷钾复合肥比例在下降。
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