The degradation trends of MCPA,2,4 D and nitrofen in soils under the simulated conditions in the laboratory was performed.They were incubated in three kinds of soils with different contents of organic matter.Their contents in soils were determined at a period of time.It was discovered that their contents were diminished gradually with the time.Without thinking of the effect of different microbe in soils,the stability of three pesticides seems to have a relation with the contents of organic matter and the ...
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