陕西凤县无公害花椒园环境质量评价

依据我国农业行业标准(NY 5020-2001)所规定的污染物控制指标及控制值,采用国家农业行业标准《农田土壤环境质量监测技术规范》推荐的单项污染指数和综合污染指数法,对陕西凤县主要花椒产区大气、土壤、灌溉水进行了环境质量评价。结果表明,凤县平木、唐藏和双石铺的大气综合污染指数分别为0.208,0.229和0.489,土壤综合污染指数分别为0.402,0.303和0.559,灌溉水综合污染指数分别为0.220,0.294和0.491。大气、土壤和灌溉水环境质量总体状况良好,处于“清洁”水平,达到“安全”等级,符合目前国家所规定的无公害产品基地环境质量的要求。

Assessment on environment quality of hazard-free Zanthoxylum bungeanum in Fengxian

According to the agricultural sector standard(NY 5020-2001) of People's Republic of China,the air,soil and water were evaluated in the major Zanthoxylum bungeanum distribution area in Fengxian county,Shaanxi province with single pollution index method and comprehensive pollution index method which the national agriculture profession standard(farmland soil environment quality monitor technology standard) recommends.The results showed that the complex pollution index of air,soil and water in the town of Pingmu,Tangzang and Shuangshipu of Fengxian county were 0.208,0.229 and 0.489;0.402,0.303 and 0.559;0.220,0.294 and 0.499 respectively.The environment quality of air,soil and water in these areas were good on the whole,and reached the standard of "clean" and "safe".It totally met the requirement of production of hazard-free safe products.