Abstract:
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 hm
2 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.