The application of organic fertilizers were contributed to increase the activities of urease, proteinase and cellulase in soil enzyme system.
施用有机肥鱼腥草有利于提高土壤脲酶、蛋白酶、纤维素酶的活性，施用化肥有利于提高土壤蔗糖酶、磷酸酶活性的。
The effects of 1, 3-dichloropropene on the activities of soil urease and invertase were studied in lab.
通过室内培养试验研究了1,3 -二氯丙烯对土壤中脲酶和蔗糖酶活性的影响。
The activities of soil dehydrogenase, alkaline phosphatase, urease and sucrase decreased with the time of incubation.
土壤脱氢酶、碱性磷酸酶、脲酶及蔗糖酶活性均随培养时间延长而降低。
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