【摘要】：鎘是農(nóng)田土壤污染最為廣泛和農(nóng)產(chǎn)品超標最為突出的重金屬元素,對鎘污染農(nóng)田土壤的修復(fù)一直是重金屬污染治理的重點和難點。近年來,國內(nèi)外就鎘污染農(nóng)田土壤的修復(fù)技術(shù)進行了大量的研究和廣泛的探索,嘗試了各類鈍化劑及農(nóng)業(yè)措施等在減控農(nóng)產(chǎn)品鎘積累的效果,提出了諸如推行低吸收作物品種、工程措施、化學(xué)修復(fù)、生物修復(fù)和農(nóng)藝調(diào)控等技術(shù)。該文分析了鎘污染農(nóng)田土壤修復(fù)中各類技術(shù)的應(yīng)用效果、作用機理及其限制因素,認為分類治理和推行聯(lián)合修復(fù)技術(shù)是今后我國鎘污染農(nóng)田土壤修復(fù)技術(shù)發(fā)展的方向。
[Abstract]:Cadmium is the most widely polluted heavy metal element in farmland soil and the most prominent heavy metal element in agricultural products. Remediation of cadmium contaminated farmland soil has always been the key and difficulty of heavy metal pollution control. In recent years, a great deal of research and extensive exploration have been carried out on the remediation technology of cadmium contaminated farmland soil, and the effects of various passivating agents and agricultural measures on reducing and controlling the accumulation of cadmium in agricultural products have been tried, such as the introduction of low absorption crop varieties. Engineering measures, chemical remediation, bioremediation and agronomic regulation and other techniques. This paper analyzes the application effect, action mechanism and limiting factors of various technologies in the remediation of cadmium contaminated farmland soil. It is considered that classified management and implementation of combined remediation technology are the direction of future development of soil remediation technology for cadmium contaminated farmland in China.
【作者單位】： 桐廬縣農(nóng)業(yè)和林業(yè)技術(shù)推廣中心;杭州市植保土肥總站;浙江大學(xué)環(huán)境與資源學(xué)院;
【基金】：浙江省農(nóng)業(yè)廳《桐廬縣農(nóng)業(yè)“兩區(qū)”土壤污染治理試點試驗》項目
【分類號】：X53

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本文編號：2264709