Effect of Different Fertilizer Levels on Soil Oxidoreductases Activities in Wheat Growing Stage

LIU Lei; GU Jie; GAO Hua; ZHANG She-qi; XIA Xue; XIE Yuan-yuan

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Effect of Different Fertilizer Levels on Soil Oxidoreductases Activities in Wheat Growing Stage

- Effect of Different Fertilizer Levels on Soil Oxidoreductases Activities in Wheat Growing Stage
- Bulletin of Soiland Water Conservation Vol. 29, Issue 6, Pages: 12-16(2010)
- 作者机构：
  
  1. 西北农林科技大学理学院, 陕西杨凌,712100
  2. 西北农林科技大学资源环境学院, 陕西杨凌,712100
- 作者简介：
- 基金信息：
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- Published：2010
- 稿件说明：
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LIU Lei, GU Jie, GAO Hua, et al. Effect of Different Fertilizer Levels on Soil Oxidoreductases Activities in Wheat Growing Stage[J]. Bulletin of Soiland Water Conservation, 2010, 29(6): 12-16.
DOI：

LIU Lei, GU Jie, GAO Hua, et al. Effect of Different Fertilizer Levels on Soil Oxidoreductases Activities in Wheat Growing Stage[J]. Bulletin of Soiland Water Conservation, 2010, 29(6): 12-16. DOI：

摘要

在有机肥和氮肥配施条件下

设置不同有机肥和氮肥的施肥梯度

研究了小麦各生育期土壤氧化还原酶活性(包括过氧化氢酶、脱氢酶和多酚氧化酶活性)的动态变化趋势。结果表明

与单施有机肥或单施氮肥相比

有机肥和氮肥配施条件下

土壤过氧化氢酶和脱氢酶活性均有明显提高。在有机肥用量22500kg/hm

、氮肥用量120kg/hm

条件下

土壤过氧化氢酶和脱氢酶活性均达到最高

分别为1.1750ml/(g.20min)和15.7931ug/(g.d)。但是

随着肥料的施加

土壤多酚氧化酶活性降低

当有机肥用量和氮肥用量达到最大时

多酚氧化酶活性降至最低。

Abstract

Under the different conditions of organic manure and ni trogen fertilizer

the dy namic changet rend of soil oxido reductases activities is studied .Results showed that compared with organic fertilizer or N fertilizer

soil catalase and dehy drogenase activities significantly increased under organic and N fertilizer conditions .With organic fertilizer of 22 500 kg/hm2 and N fertilizer of 120 kg/hm2

the activities of soil catalase and dehy drogenase were highest

being 1.1750〔0.1 ml/(g·20min)〕and 15.7931 ug/(g·d)

respectively .Soil polyphenol oxidase activity decreased with the increase in the amount of organic and nitrogen fertilizer.

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