四、化肥工业(一)入世以来的基本情况1 .生产稳定增长。仅2002年化肥产量达到3665 .7万吨,同比增长12 .06 % ,位居世界第一。2 .结构继续改善。2003年磷肥占化肥比重为21 .44 % ,比去年同期提高0.2个百分点。上半年高浓度化肥产量有所增加,尿素占氮肥产量比重达到55 .1% ,比去 Fourth, the fertilizer industry (a) the basic situation since the accession to the WTO 1. Production growth and stability. In 2002 alone, the output of fertilizers reached 36.67 million tons, an increase of 12.06% over the same period of previous year, ranking first in the world. Structure continues to improve. In 2003, phosphorus accounted for 21.44% of the total fertilizer, up 0.2 percentage points from the same period of last year. In the first half of the year, the production of high-concentration fertilizers increased. The proportion of urea to nitrogenous fertilizer reached 55.1%