DƯ LƯỢNG THUỐC BẢO VỆ THỰC VẬT TRONG MÔI TRƯỜNG ĐẤT Ở NHỮNG VÙNG SẢN XUẤT RAU SẠCH THUỘC THÀNH PHỐ HÀ NỘI VÀ MỘT SỐ Ý KIẾN NHÌN TỪ GÓC ĐỘ KINH TẾ MÔI TRƯỜNG

Nguyễn Xuân Thành, Trần Thị Tố Linh (trang 78-87)

Từ khoá:  dư lượng, thuốc bảo vệ thực vật, môi trường đất, sản xuất, rau sạch, Hà Nội

Summary

Use residues in soil environment at Hygiene Vegetable Production Areas of Hanoi city and some opinions concerning environmental economics

Pesticide residues were analysed by gas-chromotography in the soil samples and in the irrigation water samples. Results: soil pollution has been closely interrelated with the irrigation water quality. Almost the analysed-samples are under the standard level except some cases as methyl parathion in the soil samples of Uy No village with content of residue is 0,08ppm be approximately the same as the level standard and DDT in the soil samples of Nam Hong village with content of residue is 0,4ppm exceeded more than two times compared with standard level. Some kinds of safe pesticides which may be used in production of hygiene vegetable were presented.