黑龙江省逊克平原土壤质量及绿色产地适宜性评价

张哲寰, 刘凯, 赵君, 梁帅, 魏明辉, 刘洋

Evaluation of the soil quality and the suitability for green food-producing areas in the Xunke Plain, Heilongjiang Province

ZHANG Zhe-Huan, LIU Kai, ZHAO Jun, LIANG Shuai, WEI Ming-Hui, LIU Yang

表5 绿色食品产地土壤环境质量限值

Table 5 Envionmental quality limits for soil in green food production areas 10-6

项目 旱田 水田 pH< 6.5 6.5≤pH ≤7.5 pH> 7.5 pH< 6.5 6.5≤pH ≤7.5 pH> 7.5 镉 ≤0.30 ≤0.30 ≤0.40 ≤0.30 ≤0.30 ≤0.40 汞 ≤0.25 ≤0.30 ≤0.35 ≤0.30 ≤0.40 ≤0.40 砷 ≤25 ≤20 ≤20 ≤20 ≤20 ≤15 铅 ≤50 ≤50 ≤50 ≤50 ≤50 ≤50 铬 ≤120 ≤120 ≤120 ≤120 ≤120 ≤120 铜 ≤50 ≤60 ≤60 ≤50 ≤60 ≤60