Factors affecting photodegradation of Atrazine in the soil surface under UV light have been studied. Its degradation rate constant was determined to be (0.09~0.17)/min, photolytic depth 0.1~0.3 mm and half-life 4~8 min. The results show that soil granule size, pH, humidity, organic matter, humic acid and surfactant all could affect the photolysis of Atrazine in soil.
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范小振,吕柏,弓爱君.阿特拉津在土表的紫外光降解行为研究[J].土壤,2005,37(2):197-201. FAN Xiao-zhen, LU Bo, GONG Ai-jun. DYNAMICS OF ULTRAVIOLET PHOTOLYSIS OF ATRAZINE ON SOIL SURFACE[J]. Soils,2005,37(2):197-201