Soluble Organic Nitrogen in Different Forest Stands in Saline Land of the Yellow River Delta

CHEN Yin-ping; XIA Jiang-bao; WANG Jin-chuang; CAO Jian-bo; QIAO Yun-lei; SUN Xiao-qun

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Soluble Organic Nitrogen in Different Forest Stands in Saline Land of the Yellow River Delta

更新时间：2024-11-07

- Soluble Organic Nitrogen in Different Forest Stands in Saline Land of the Yellow River Delta
- Vol. 25, Issue 4, (2011)
- 作者机构：
  
  1. 滨州学院山东省黄河三角洲生态环境重点实验室
  2. 中国科学院成都生物研究所
  3. 滨州学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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CHEN Yin-ping, XIA Jiang-bao, WANG Jin-chuang, et al. Soluble Organic Nitrogen in Different Forest Stands in Saline Land of the Yellow River Delta[J]. 2011, 25(4).
DOI：

CHEN Yin-ping, XIA Jiang-bao, WANG Jin-chuang, et al. Soluble Organic Nitrogen in Different Forest Stands in Saline Land of the Yellow River Delta[J]. 2011, 25(4). DOI：

摘要

对黄河三角洲盐碱地10 a生刺槐林、白蜡林和杨树林土壤可溶性有机氮(SON)进行了研究。结果表明:3种人工林中

刺槐林20-40 cm层土壤SON含量最高

为26.99 mg/kg

与其他林分差异显著;而白蜡林0-20 cm层土壤SON含量显著高于其他林分

为16.71 mg/kg。3种林分0-20 cm土壤SON含量占TSN的百分含量分别为50.99%

47.06%和59.99%

差异显著(P<0.05);20-40 cm土壤SON占TSN百分含量范围为55.9%～59.01%。相关分析结果表明

土壤SON与土壤TSN、无机氮、全氮呈极显著相关性(P<0.01)

与土壤有机质呈显著相关(P<0.05)

与土壤全盐量呈负相关。

Abstract

Soluble organic nitrogen(SON) is recognized as a sensitive of forest soil nitrogen status.In this study

the contents of soluble organic nitrogen in Robinia pseudoacacia

Fraxinus chinensis and Populus tomentosa plantation in saline land of the Yellow River delta.In this study

among the three forest stands

Robinia pseudoacacia had a significantly higher content of soil SON in 20-40 cm soil layers

being 26.99 mg/kg

while in 0-20 cm soil layers of Fraxinus chinensis had a significantly higher content of soil SO...

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