【摘要】 本文研究的内容为作物对六六六的吸收及其运转。田间小区试验分别设在北京、山东和山西,每亩用0.5、1.5、2.5和3.5公斤6％的六六六,分别处理土壤。试验结果表明:作物对六六六的吸收量,取决于作物种类、土壤类型、农药的性质以及土壤中六六六的浓度。根据六六六的作物残留与土壤残留相关性分析,作物残留与土壤残留间呈正相关。在块根类作物中,胡萝卜吸收量最大,其次为马铃薯>花生>白薯,其它作物为大豆>谷子。胡萝卜对六六六的吸收量不仅比其他作物大,而且超出了土壤中六六六的残存量。因此,即使在六六六停用的情况下,六六六仍然有污染作物的可能。更多还原

【Abstract】 This study was made of the extent to which BHC may be absorbed and translocated from treated soils into plant tissues. A series of small field plots were treated with 0.5, 1.5, 2.5, and 3.5 Kg/Mu of 6 % BHC at Beijing, Shan Dong, and Shan Xi proviences. This experimental results indicated that BHC were absorbed by crops. The absorbed amounts were depended on species of crops, soil type in which the crop had grown, character of BHC. and its concentration within the soil.Correlations calculated between residues in the crops and the soil revealed that BHC residues in the crops had the positive correlation with residues in the soils. Amony the root crops, carrots absorbed the most residue of BHOpotatoes>peanuts>sweet potatoes and in other crops soybeans> millets. The carrots not only absorbed more BHC than other crops, but even accumulated great more BHC residuing than that of occurring in the soil. However, it is most likely that crops would become polluted by BHC even while we Stop applying BHC,更多还原