Soil Fertility of Cunninghamia lanceolata lantation Replaced by Young Broadleaf Mixed Plantations

LI Guo-ping; XUE Li; XIAN Gan-biao; LIANG Yong-qiang; XIE Teng-fang; WANG Xiang-e

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Soil Fertility of Cunninghamia lanceolata lantation Replaced by Young Broadleaf Mixed Plantations

- Soil Fertility of Cunninghamia lanceolata lantation Replaced by Young Broadleaf Mixed Plantations
- Bulletin of Soiland Water Conservation Vol. 26, Issue 6, Pages: 75-79(2007)
- 作者机构：
  
  1. 佛山市国营云勇林场
  2. ,陕西,西安,710021
  3. 华南农业大学林学院,广东,佛山,528518
  4. .,广东,广州,510642
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2007
- 稿件说明：
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LI Guo-ping, XUE Li, XIAN Gan-biao, et al. Soil Fertility of Cunninghamia lanceolata lantation Replaced by Young Broadleaf Mixed Plantations[J]. Bulletin of Soiland Water Conservation, 2007, 26(6): 75-79.
DOI：

LI Guo-ping, XUE Li, XIAN Gan-biao, et al. Soil Fertility of Cunninghamia lanceolata lantation Replaced by Young Broadleaf Mixed Plantations[J]. Bulletin of Soiland Water Conservation, 2007, 26(6): 75-79. DOI：

摘要

研究了3种阔叶混交幼林的土壤肥力

并将其肥力特征与杉木幼林进行对比研究。3种林分的立地条件相似常绿阔叶混交林1由12种观赏树种组成

常绿阔叶混交林2由7种速生乡土阔叶树种组成

常绿阔叶混交林3由12种阔叶树种组成。结果表明

各林地的土壤呈强酸性。常绿阔叶混交林1的土壤有机质、全氮和有效磷含量居各林地之首

其余的养分含量也大于或近似于杉木林地;常绿阔叶混交林2的全磷、全钾、有效氮、有效钾含量在4种林分中最高

有机质、全氮和有效磷含量也较高

说明这两种阔叶混交林有效地改善了土壤养分状况。常绿阔叶混交林3的土壤有机质、全氮和有效氮含量大于杉木林地

但是全磷、全钾、有效磷、有效钾含量小于后者。常绿阔叶混交林地1和常绿阔叶混交林地2的细菌、真菌和放线菌数量大于杉木林地

脲酶、磷酸酶、过氧化氢酶活性也较高

表明这2种阔叶混交林显著地改善了林地肥力。

Abstract

Soil fertilities of three you ng broadleaf mixed plantations were compared with those of a Cunninghamia lanceolata plantation.The soils of the broadleaf mixed plantations were rather strong in acidity.Among four plantations

the contents of soil organic mat ter

total N and available P were the highest in the first evergreen broadleaf mixed plantation

and its other nutrient contents were higher than the C.lanceolata plantation or similar to the latter; Total P

total K

alkalized N and available K were the highest in the sec- ond evergreen broadleaf mixed plantation

and its soil organic matter

total N and available P contents were greater than C.lanceolata plantation; Soil organic matter

total N and alkalized N of the third evergreen broadleaf mixed forest were greater than those of the C.lanceolata plantation

whereas its other nutrient contents were lower than the latter.The amounts of soil bacterium

fungi and actinomyces of the first and second evergreen broadleaf mixed plantations were greater than those of C.lanceolata plantation

and their urease

phosphoric acid enzyme and catalase activities were high

indicating that the two plantations significandy improved soil fertility.

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