海南省三亚市近年来发展果菜生产，种植面积几万亩。农户很少施用化肥，而大量施用农家肥。一些精明的农民就到外地组织农家肥供应本镇c不久便形成了固定的农家肥市场，出现了“卖粪专业户”。每天清晨农家肥市场交易十分活跃，有时1吨农家肥能卖到300多元，一些农户发了“农家 Sanya City, Hainan Province in recent years the development of fruit and vegetable production, planting area of ​​tens of thousands of acres. Farmers rarely use chemical fertilizers, while using large quantities of farm fat. Some shrewd peasants went to the field to organize the supply of farmyard manure to the town and soon formed a fixed farmyard manure market. Every morning farmers trading fertilizer market is very active, and sometimes 1 ton of peasant fertilizer can be sold for more than 300 yuan, some farmers made a "farmhouse