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。
Fertilization shows no significant effects on the activities of catalase and sucrase.
施肥对蔗糖酶和过氧化氢酶活性的影响较小。
The activities of sucrase, urease, catalase, cellulolytic enzyme and polyphenol oxidase of the former three treatments were all significantly higher than in the cleaning tillage.
前三处理蔗糖酶、脲酶、过氧化氢酶、纤维分解酶、多酚氧化酶的酶活性都较清耕有显著或极显著提高；
The photosynthetic rate, content of reducing sugar and the activities of neutral and acid sucrase in leaf are all greater than that used no ethephon.
其叶片光合强度、还原糖含量和中性与酸性蔗糖酶活力均高于未施用乙烯利的。
Moreover, PI increased the activities of urease, phosphatase and sucrase, but decreased the catalase activity in its rhizosphere.
此外，化感水稻PI根系分泌物对脲酶、磷酸酶、蔗糖酶的活性具有促进作用，而对过氧化氢酶则呈抑制作用。
Moreover, PI increased the activities of urease, phosphatase and sucrase, but decreased the catalase activity in its rhizosphere.
此外，化感水稻PI根系分泌物对脲酶、磷酸酶、蔗糖酶的活性具有促进作用，而对过氧化氢酶则呈抑制作用。
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