Access approach of pesticide into soil and its migration and transformation process in soil are analyzed in the paper. Furthermore, it is put forward that soil pollution can be prevented by enhancing farmers' conscio...Access approach of pesticide into soil and its migration and transformation process in soil are analyzed in the paper. Furthermore, it is put forward that soil pollution can be prevented by enhancing farmers' consciousness of safe and reasonable application of pesticide, strengthening production and management of pesticide, adopting comprehensive prevention and control measures, and developing treatment technology of pesticide-contaminated soil.展开更多
In this paper,the water quality of the Xixi Wetland was evaluated and the characteristics of water pollution were described according to the survey data.Based on the status of water quality and its functional requirem...In this paper,the water quality of the Xixi Wetland was evaluated and the characteristics of water pollution were described according to the survey data.Based on the status of water quality and its functional requirements as an urban wetland,biological-ecological countermeasures were suggested.The experimental use of ecological technologies,such as artificial wetlands,ecological aquiculture and artificial floating island,were done in several fish ponds in the Xixi Wetland.Water monitoring results show that the quality of the treated water has improved significantly and the measures to purify the eutrophic water in the wetland have been effective.展开更多
文摘Access approach of pesticide into soil and its migration and transformation process in soil are analyzed in the paper. Furthermore, it is put forward that soil pollution can be prevented by enhancing farmers' consciousness of safe and reasonable application of pesticide, strengthening production and management of pesticide, adopting comprehensive prevention and control measures, and developing treatment technology of pesticide-contaminated soil.
文摘In this paper,the water quality of the Xixi Wetland was evaluated and the characteristics of water pollution were described according to the survey data.Based on the status of water quality and its functional requirements as an urban wetland,biological-ecological countermeasures were suggested.The experimental use of ecological technologies,such as artificial wetlands,ecological aquiculture and artificial floating island,were done in several fish ponds in the Xixi Wetland.Water monitoring results show that the quality of the treated water has improved significantly and the measures to purify the eutrophic water in the wetland have been effective.