摘要
目前,我国重金属污染耕地依然普遍.耕地环境质量是保障农产品安全生产的重要保障,随着我国城市工业化和农业集约化的快速发展,各种来源的重金属污染通过降尘、施肥、灌溉等途径进入耕地,致使农作物减产并危害人体健康.综述了重金属污染耕地安全利用措施包括:各种农艺调控技术(石灰调节、优化施肥、品种筛选、叶面阻隔等)、土壤改良技术(钝化剂和调理剂)、生物技术(微生物与植物)3 大安全利用技术的研究与应用,并对其在重金属污染耕地安全利用领域进行了展望.
Abstract
Currently,heavy metal pollution in arable land is still widespread and severe in China.The envi-ronmental quality of cultivated land is an important guarantee for ensuring the safe production of agricultural products.With the rapid development of urban industrialization and agricultural intensification in China,heav-y metal pollution from various sources enters cultivated land through methods such as dust reduction,fertiliza-tion,and irrigation,resulting in reduced crop yields and endangering human health.Based on the above is-sues,this article summarizes the research and application of various agronomic regulation technologies(lime regulation,optimized fertilization,variety screening,leaf barrier,etc.),soil improvement technologies(pas-sivators and conditioners),and biological technologies(microorganisms and plants)for the safe utilization of heavy metal polluted farmland.And prospects were made for its safe utilization in heavy metal polluted farm-land.
国家科技期刊平台
NSTL
万方数据