Effect of organic/inorganic compounds on the enzymes in soil under acid rain stress.
The main effects of pollutions including acid rain, Cu2+, atrazine and their combined products on the activities of urease, invertin, acid phosphatase and catalase were studied by means of orthogonal test. The results showed that H+ and Cu2+ had significant influence on the activities of four enzymes and the ability of their inhibiting followed the order: H+ > Cu2+. Al3+ and atrazine only had litter effects on the activity of urease and phosphatase, respectively. Furthermore, interaction analysis revealed that Cu2+ -H+ affected on the activity of acid phosphatase significantly and antagonism on invertin and urease, Cu2+ -atrazine only exhibited the synergism on the activity of acid phosphatase. But atrazine-H+ had non-interaction within the investigated concentration range. Among four enzymes, acid phosphatase was the most sensitive one to the contaminations.
Liu
Guang-shen
GS
Environmental Science Institute of Zhejiang University, Hangzhou 310029, China. liu63gs@zjuem.zju.edu.cn
Xu
Dong-mei
DM
Wang
Li-ming
LM
Li
Ke-bin
KB
Liu
Wei-ping
WP
D000135:Acid Phosphatase / Q000037:antagonists & inhibitors; D015258:Acid Rain / Q000633:toxicity*; D001280:Atrazine / Q000633:toxicity; D002374:Catalase / Q000037:antagonists & inhibitors; D002681:China; D003124:Colorimetry; D003300:Copper / Q000633:toxicity; D004785:Environmental Pollutants / Q000633:toxicity*; D012987:Soil / Q000032:analysis*; D014510:Urease / Q000037:antagonists & inhibitors
D015258:Acid Rain; D004785:Environmental Pollutants; D012987:Soil; D003300:Copper; D002374:Catalase; D000135:Acid Phosphatase; D014510:Urease; D001280:Atrazine