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This paper mainly studies the growth and degradation characteristics of the atrazine degradation strain J2 isolated from the soil collected from the cornfield in northern China with a long history of atrazine application. The growth and the degradation characteristics at different pHs, temperatures and in mediums with different salinity are also studied. The results indicate that: when J2 is inoculated...
This research studied the bioremediation of atrazine polluted soil by atrazine degrading strain J2 which is isolated from the long polluted black glebe in the libratory condition. Inoculated the J2 which OD600 value is 1 into the sterilized soil and non-sterilized soil as 1% ratio (bacterial liquid volume mL /soil weight g) respectively, the atrazine concentration of the soil is 10 mg/Kg. J2 utilized...
Ecological carrying capacity indexes of Hegang of Heilongjiang province, Naiman country of Inner Mongolia and Luzhou of Sichuan province are calculated respectively by the comprehensive assessment based on AHP and the ecological footprint model. The results show that the CCPS is below 1 before and after the three regional planning, and the regions have room for development; there are still some constraints:...
Studies on the residue of atrazine in the soil have recently aroused great concern. This article studies the methods of determining the residue of atrazine in the soil, and thus helps solve the problems of pesticide residue. Use methanol aqueous solutions (9:1) to extract the atrazine in the soil. Concentrate the methanol, then chloroform extracted. After concentrating to a defined volume, use GC-14C...
This paper mainly studies the growth and degradation characteristics of the Atrazine degradation strain J6 which is isolated from the soil, collected from the corn field in northern China with a long history of atrazine application. The growth and the degradation characteristics at different pHs and temperatures are also studied. Adding J6 into the medium by the ratio of 1 %(v/v), J6 is able to degrade...
Collecting the soil which had applied Atrazine for more then 5 years from The Xiang Fang experimental farm of HarBin and the corn field of WuChang in Heilongjiang Province. We isolated 7 microbes which have the ability of Atrazine degrading by the way of the traditional enrichment and isolation of bacteria in the laboratory, then we filtrated 2 microbes which the ability of atrazine degrading was...
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