近几年来,为了茶叶产量和品质,大量使用化学农药及化学肥料,致使茶叶品质下降,土壤衰退,地力低下,土壤有益微生物减少,病虫害发生量大频繁。以及人们的消费观念和意识在不断发生变化,对茶叶的需求不仅是在数量上和结构上的多样化,而且日趋关注茶叶的安全保障,特别是有机茶在国际市场兴起及紧俏,要求世界茶叶生产国家必须 In recent years, large quantities of chemical pesticides and chemical fertilizers have been used for tea production and quality, resulting in the decline of tea quality, soil degradation, low ground fertility, reduction of soil available microorganisms, and frequent occurrence of pests and diseases. As well as people’s consumption concepts and awareness are constantly changing, the demand for tea is not only in the number and structural diversity, but also increasingly concerned about the safety and security of tea, especially the rise and shortage of organic tea in the international market, requires world tea Production countries must