Seasonal Dynamics of Soil Enzyme Activities in Typical Slopes in Hilly Region of Sichuan Province

PAN Dan-dan; AI Ying-wei; ZHANG Zhi-qing; GUO Pei-jun

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Seasonal Dynamics of Soil Enzyme Activities in Typical Slopes in Hilly Region of Sichuan Province

- Seasonal Dynamics of Soil Enzyme Activities in Typical Slopes in Hilly Region of Sichuan Province
- Bulletin of Soiland Water Conservation Vol. 32, Issue 1, Pages: 111-114(2013)
- 作者机构：
  
  四川大学生命科学学院生物资源与生态环境教育部重点实验室,四川,成都,610064
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2013
- 稿件说明：
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PAN Dan-dan, AI Ying-wei, ZHANG Zhi-qing, et al. Seasonal Dynamics of Soil Enzyme Activities in Typical Slopes in Hilly Region of Sichuan Province[J]. Bulletin of Soiland Water Conservation, 2013, 32(1): 111-114.
DOI：

PAN Dan-dan, AI Ying-wei, ZHANG Zhi-qing, et al. Seasonal Dynamics of Soil Enzyme Activities in Typical Slopes in Hilly Region of Sichuan Province[J]. Bulletin of Soiland Water Conservation, 2013, 32(1): 111-114. DOI：

摘要

针对川中丘陵区成渝铁路的典型岩石边坡

以临近自然边坡和农田边坡为对照

研究了3种典型边坡土壤脲酶和蔗糖酶活性的季节变化规律。结果表明

各个季节土壤脲酶和蔗糖酶活性在不同类型边坡间表现出一定的差异性

且各具特点。3种边坡土壤脲酶和蔗糖酶活性均表现出一定的季节变化规律。铁路边坡和农田边坡土壤脲酶活性均表现为1月最低

4月最高;自然边坡土壤脲酶活性则表现为7月最低

10月最高。铁路边坡和自然边坡土壤蔗糖酶活性表现为1月最低

4月和10月较高;农田边坡土壤蔗糖酶活性1月

4月和7月无明显变化

在10月出现显著上升。

Abstract

An experiment was conducted to study the seasonal dynamics of soil enzyme activities in three typical slopes(railway slope

natural slope and farmland slope)in the hilly region of central Sichuan Province.The main results are as follows:Soil enzyme activities were significantly different in the three types of slopesin every season.Soil urease and invertase activities showed specific seasonal fluctuations in the three types ofslopes.Soil urease activities peaked in April and bottomed out in January for railway slope and farmlandslope.However

for natural slope

the maximum of urease activities occurred in October and the minimumvalue

in July.Soil invertase activities were at the lowest level in January and at a relatively higher level inApril and October

for railway slope and natural slope.By contrast

soil invertase activities remained stability from January to July for farmland slope

while considerably increased in October.

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