摘要
In early March 2008 the price of urea inChina increased with the seldom seen highspeed in history. Both the ex-factory priceand the market wholesale price in most regionsincreased by RMB300-400 per tonand even RMB500 per ton in some regionon the preceding week. The bulk tradingprice in Hebei, Shandong and Shanxi prov-