Characteristics and Distribution of Nutrients in Soil Aggregates under Different Plant Communities in Central Yunnan

SHI Jian-hua; MENG Guang-tao; LI Pin-rong; HE Li-ping; QIAN Xiao-qing; WANG Cheng

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Characteristics and Distribution of Nutrients in Soil Aggregates under Different Plant Communities in Central Yunnan

更新时间：2024-11-07

- Characteristics and Distribution of Nutrients in Soil Aggregates under Different Plant Communities in Central Yunnan
- Vol. 25, Issue 4, (2011)
- 作者机构：
  
  1. 昆明理工大学环境科学与工程学院
  2. 云南省林业科学院
  3. 富源县林业局
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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SHI Jian-hua, MENG Guang-tao, LI Pin-rong, et al. Characteristics and Distribution of Nutrients in Soil Aggregates under Different Plant Communities in Central Yunnan[J]. 2011, 25(4).
DOI：

SHI Jian-hua, MENG Guang-tao, LI Pin-rong, et al. Characteristics and Distribution of Nutrients in Soil Aggregates under Different Plant Communities in Central Yunnan[J]. 2011, 25(4). DOI：

摘要

采用野外调查和室内分析相结合的方法

对滇中富源县境内华山松-栓皮栎混交林、旱冬瓜林、杨梅灌丛、云南松林、撂荒地5类群落类型的团聚体粒径组成及养分特征进行研究。结果表明

团聚体含量随着粒径(>5 mm

5～3 mm

3～1 mm

1～0.5 mm

0.5～0.25 mm

<0.25 mm)的增大及土层(0-10 cm

10-20 cm)的加深而逐渐增多;团聚体的养分含量也呈现一定差异

有机碳、全氮、全钾和水解氮含量随粒径的减小而增多;速效钾含量则随着粒径的减小先增后减。分析团聚体养分的碳、氮比值(C/N)

得知撂荒地>云南松林>华山松-栓皮栎混交林>杨梅灌丛>旱冬瓜林

揭示C/N越小越有利于碳、氮等养分的循环与流动的规律。

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