Study on Nutrition Characteristics and Acidity in Rhizosphere and Non-rhizosphere Soils in Larch Plantations

CHEN Li-xin; DUAN Wen-biao; QIAO Lu

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Study on Nutrition Characteristics and Acidity in Rhizosphere and Non-rhizosphere Soils in Larch Plantations

更新时间：2024-11-07

- Study on Nutrition Characteristics and Acidity in Rhizosphere and Non-rhizosphere Soils in Larch Plantations
- Vol. 25, Issue 3, (2011)
- 作者机构：
  
  东北林业大学林学院,哈尔滨,150040
- 作者简介：
- 基金信息：
- DOI：
  CLC： S158.3
- Published：2011
- 稿件说明：
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CHEN Li-xin, DUAN Wen-biao, QIAO Lu. Study on Nutrition Characteristics and Acidity in Rhizosphere and Non-rhizosphere Soils in Larch Plantations[J]. 2011, 25(3).
DOI：

CHEN Li-xin, DUAN Wen-biao, QIAO Lu. Study on Nutrition Characteristics and Acidity in Rhizosphere and Non-rhizosphere Soils in Larch Plantations[J]. 2011, 25(3). DOI：

摘要

采用对比分析方法

揭示了不同发育阶段落叶松人工林根际与非根际土壤有机氮、水解氮、全磷、有效磷、有效钾和酸度的变化规律。结果表明:不同发育阶段落叶松人工林根际与非根际土壤酸性氨基酸、碱性氨基酸、游离氨基酸总量和水解氮

以及根际土壤中性氨基酸、速效钾、全磷和有效磷从幼龄林到中龄林增加

中龄林以后降低。根际活性酸、非根际土壤速效钾随林龄增加呈显著下降趋势

根际与非根际土壤交换性酸、交换性铝、非根际活性酸则相反

随林龄的增大呈明显增加趋势。

Abstract

The changes in total organic nitrogen

hydrolysable nitrogen

total phosphorus

available phosphorus

and available potassium and acidity were studied in rhizosphere and non-rhizosphere soil at different development stages in larch(Larix olgensis) plantations by the method of comparison and analysis.The results showed that total amount of acidic

alkaline and free amino acid

hydrolysable nitrogen in rhizosphere and non-rhizosphere soil

neutral amino acid

rapidly available potassium

total phosphorus

available pho...

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