陕西省杨凌区绿色食品产地环境质量监测与评价

通过对陕西省杨凌区绿色食品产地环境中的大气、灌溉水、土壤进行调查、采样，对土壤中有机质、全氮、有效磷、速效钾、重金属元素，以及灌溉水中总汞、总镉、总砷、总铅、六价铬、氟化物、粪大肠菌群、石油类等成分进行检测，根据调查和监测结果对环境现状进行了综合评价，得出杨凌区3 357 hm2的设施蔬菜、猕猴桃、葡萄、西瓜、甜瓜、草莓等生产基地的大气、土壤、灌溉水各项检测指标符合绿色食品产地土壤环境质量标准，适合发展绿色农产品生产。 

Environmental Quality Monitoring and Assessment of Green Food Producing Areas in Yangling District of Shaanxi Province

Based on investigation and sampling of atmosphere, irrigation water and soil in environment of green food producing areas in Yangling District of Shaanxi Province, contents of organic matter, total nitrogen, available phosphorus, available potassium, heavy metals, and total mercury, total cadmium, total arsenic, total lead, hexavalent chromium, fluoride, fecal coliform and petroleum in soil were determined． A comprehensive assessment of environment was carried out on basis of survey and monitoring results． Results showed that atmosphere, soil and irrigation water of 3 357 hm2 of protected vegetable, kiwifruit, grape, watermelon, melon and strawberry production bases in Yangling District accorded with soil environmental quality standards of green food producing areas, it was suitable for developing production of green agricultural products．