Soil pollution has been considered as one of the main environmental problems in the world nowadays. The source of soil heavy metal pollution in farmland, the effect of heavy metal pollution on soil quality in farmland...Soil pollution has been considered as one of the main environmental problems in the world nowadays. The source of soil heavy metal pollution in farmland, the effect of heavy metal pollution on soil quality in farmland, growth of crops, quality of agricultural products and the effects of heavy metal pollution on human health were discussed in this paper. The heavy metal pollution control measures were introduced, including physical and chemical regulations, phytoremediation and agroecological restoration measures. The future research perspective was also discussed in this paper.展开更多
With the continuous development of human society and economy and the continuous progress of industrial technology,more and more pollutants are discharged into the natural environment,and soil environment is also affec...With the continuous development of human society and economy and the continuous progress of industrial technology,more and more pollutants are discharged into the natural environment,and soil environment is also affected at the same time. Among pollutants leading to soil pollution,heavy metals have resulted in most serious soil pollution. Here,many control and restoration approaches to soil pollution from heavy metals are proposed,and characteristics and applicable conditions of various methods are compared,so as to provide theoretical references for the control and restoration of soil pollution from heavy metals in future.展开更多
In order to explore the application effect of the comprehensive control technology of"soil conditioning-organic planting-foliar control"in the rice area of northern Guangdong,the effects of combined applicat...In order to explore the application effect of the comprehensive control technology of"soil conditioning-organic planting-foliar control"in the rice area of northern Guangdong,the effects of combined application of different dosages of soil conditioner,bio-organic fertilizer and foliar control agent on heavy metal contents and yields of early and late rice were investigated based on field experiments.The results showed that different treatments of early rice and late rice all increased the yield.The yield increase rates of treatments 2,3 and 4 reached 4.9%,7.2%and 8.7%in early rice,respectively,and those in late rice reached 7.7%,7.8%and 9.7%,respectively.And the cadmium contents of early rice and late rice in treatments 2,3 and 4 were significantly reduced below the safe value.Taking into account factors such as cost,yield increase rate,and heavy metal compliance rate,the recommended application rate for early and late rice is conventional fertilization+soil conditioner 6000 kg/hm^(2)+bio-organic fertilizer 1800 kg/hm^(2)+foliar control agent 6000 ml/hm^(2).展开更多
The 13th Five-Year Plan of Anhui Province for Heavy Metal Pollution Prevention and Control('Plan'),jointly prepared by the Anhui Provincial Environmental Protection Department,Anhui Provincial Development and ...The 13th Five-Year Plan of Anhui Province for Heavy Metal Pollution Prevention and Control('Plan'),jointly prepared by the Anhui Provincial Environmental Protection Department,Anhui Provincial Development and Reform Commission and Anhui Provincial Commission of Economy and Information Technology with technical support from展开更多
文摘Soil pollution has been considered as one of the main environmental problems in the world nowadays. The source of soil heavy metal pollution in farmland, the effect of heavy metal pollution on soil quality in farmland, growth of crops, quality of agricultural products and the effects of heavy metal pollution on human health were discussed in this paper. The heavy metal pollution control measures were introduced, including physical and chemical regulations, phytoremediation and agroecological restoration measures. The future research perspective was also discussed in this paper.
基金Supported by the Research and Demonstration of Restoration Technology of Typical Degraded Ecosystems in Tibet Plateau
文摘With the continuous development of human society and economy and the continuous progress of industrial technology,more and more pollutants are discharged into the natural environment,and soil environment is also affected at the same time. Among pollutants leading to soil pollution,heavy metals have resulted in most serious soil pollution. Here,many control and restoration approaches to soil pollution from heavy metals are proposed,and characteristics and applicable conditions of various methods are compared,so as to provide theoretical references for the control and restoration of soil pollution from heavy metals in future.
基金Supported by Enterprise Science and Technology Commissioner Project of Guangdong Province(GDKTP2020020800)Natural Science Foundation of Guangdong Province(2021A1515010851)+1 种基金Undergraduate Innovation and Entrepreneurship Project(S202110576028X,202010576002X)Science and Technology Innovation Strategy Special Fund Project of Guangdong Province(pdjh2021b0455)。
文摘In order to explore the application effect of the comprehensive control technology of"soil conditioning-organic planting-foliar control"in the rice area of northern Guangdong,the effects of combined application of different dosages of soil conditioner,bio-organic fertilizer and foliar control agent on heavy metal contents and yields of early and late rice were investigated based on field experiments.The results showed that different treatments of early rice and late rice all increased the yield.The yield increase rates of treatments 2,3 and 4 reached 4.9%,7.2%and 8.7%in early rice,respectively,and those in late rice reached 7.7%,7.8%and 9.7%,respectively.And the cadmium contents of early rice and late rice in treatments 2,3 and 4 were significantly reduced below the safe value.Taking into account factors such as cost,yield increase rate,and heavy metal compliance rate,the recommended application rate for early and late rice is conventional fertilization+soil conditioner 6000 kg/hm^(2)+bio-organic fertilizer 1800 kg/hm^(2)+foliar control agent 6000 ml/hm^(2).
文摘The 13th Five-Year Plan of Anhui Province for Heavy Metal Pollution Prevention and Control('Plan'),jointly prepared by the Anhui Provincial Environmental Protection Department,Anhui Provincial Development and Reform Commission and Anhui Provincial Commission of Economy and Information Technology with technical support from
