１从国际市场环境来看：氮肥，国际上生产能力过剩，市场显得沉闷，尿素市场价格不断下滑，离岸价有的已低于８０美元／吨。磷肥，由于我国购买二铵数量稳定上升，加上美国基本上垄断了磷肥资源，使得磷肥市场价格在高位上趋稳。钾肥，由于需求持续旺盛，市场基本上被加拿... 1 From the international market environment: nitrogen fertilizer, the international production capacity surplus, the market appears dull, urea market prices continue to decline, some FOB has been below 80 US dollars / ton. Phosphate fertilizer, due to the steady increase in the quantity of diammonium purchased in our country, coupled with the fact that the United States basically monopolizes the phosphate fertilizer resources, making the price of phosphate fertilizer market stabilize at a high level. Potash, due to continued strong demand, the market is basically Canada ...