Differential Effects of Cultivation Mode and Soil Bulk Density on Brown Soil Enzyme Activities

ZHENG Cun-de; YI Yan-li; HUANG Yi; ZHANG Da-geng; LI Jie; LIU Xiao-mei

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Differential Effects of Cultivation Mode and Soil Bulk Density on Brown Soil Enzyme Activities

更新时间：2024-11-07

- Differential Effects of Cultivation Mode and Soil Bulk Density on Brown Soil Enzyme Activities
- Vol. 25, Issue 3, (2011)
- 作者机构：
  
  1. 沈阳农业大学土地与环境学院,辽宁,沈阳,110866
  2. 辽东学院,辽宁丹东1180032. 沈阳农业大学土地与环境学院,辽宁,沈阳,110866
- 作者简介：
- 基金信息：
- DOI：
  CLC： S157.42S154.2
- Published：2011
- 稿件说明：
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ZHENG Cun-de, YI Yan-li, HUANG Yi, et al. Differential Effects of Cultivation Mode and Soil Bulk Density on Brown Soil Enzyme Activities[J]. 2011, 25(3).
DOI：

ZHENG Cun-de, YI Yan-li, HUANG Yi, et al. Differential Effects of Cultivation Mode and Soil Bulk Density on Brown Soil Enzyme Activities[J]. 2011, 25(3). DOI：

摘要

为研究翻耕、旋耕、免耕对作物根系生长影响的机理

以耕层棕壤(0-20cm)和犁底层棕壤(20-40cm)为试验材料

采用盆栽的方法模拟了不同耕作模式及容重

并研究了这些条件对土壤过氧化氢酶、多酚氧化酶、脲酶、磷酸酶、转化酶活性的影响。结果表明:中、下层不同土样及不同容重对土壤酶活性均有显著影响(P<0.01)。与1.2g/cm3容重相比

容重为1.4g/cm3和1.6g/cm3的土壤分别在不同程度上降低了土壤酶的活性

中、下层容重变化对表层酶活性影响相对较小

但中层受下层容重变化影响较大

容重由1.4g/cm3升到1.6g/cm3时酶活性下降尤为明显。多数情况下

模拟保护性耕作的土壤多酚氧化酶、脲酶、磷酸酶、转化酶活性在对应土层与生育期总比模拟翻耕的高

模拟翻耕土壤处理的中、下层土壤过氧化氢酶活性明显高于保护性耕作处理的酶活性。

Abstract

The study was conducted with brown soil(0-20 cm and 20-40 cm) in Shenyang agricultural university experimental station in order to research effecting mechanism of turnover

no-tillage

totary tillage on growth of maize's root.With pot experiment

it researched the impacts of different soil bulk density and sample from different soil layers on enzyme activities(polyphenol oxidase

catalase

acid phosphatase

urease

invertase).The results showed that the influence of different soil layers and different bulk density...

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