FIFA, 9 May (FIFA)-- it has been learned from the National Federation of supply and Marketing Cooperation that at present, the use of fertilizer for spring ploughing is coming to an end. During the spring ploughing period this year, the supply of chemical fertilizer in China's market is generally sufficient, and the price is generally stable. From the point of view of varieties, the prices of nitrogen and potash fertilizer have decreased since spring ploughing this year, while the price of phosphate fertilizer has increased slightly. According to data released by the China Agricultural material Circulation Association, China's wholesale fertilizer price composite index was 3039.55 points on May 8, down 217.30 points, or 6.67 per cent, from the beginning of February.