控制总量　放开市场洪学昌［编者按］去秋以来，我国化肥行业再次陷入严重困境，产品积压，价格下跌，效益滑坡。仅今年上半年化肥企业产品库存量即高达８００多万吨（实物量），占全国化肥企业今年上半年产量的近１２％。目前，化肥企业的亏损面达４８．５％，亏损企业的... Control of the total open market Hong Xuechang [Editor’s note] Since the fall, China’s fertilizer industry plunged into serious difficulties again, product backlog, the price drop, the effectiveness of landslide. In the first half of this year alone, the inventories of chemical fertilizer enterprises reached as high as over 800 million tons (in volume), accounting for nearly 12% of the national output of fertilizer enterprises in the first half of this year. At present, the loss of fertilizer companies face 48.5%, loss-making enterprises ...