Characteristics of Phosphorus Forms in Rhizosphere and Non-rhizosphere Soil of Tea Plantation

YANG Jun; ZHOU Wei-jun; YANG Wei; MIAO Xiao-lin; LIU Chang-hong

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Characteristics of Phosphorus Forms in Rhizosphere and Non-rhizosphere Soil of Tea Plantation

- Characteristics of Phosphorus Forms in Rhizosphere and Non-rhizosphere Soil of Tea Plantation
- Bulletin of Soiland Water Conservation Vol. 32, Issue 4, Pages: 216-220(2013)
- 作者机构：
  
  湖南农业大学资源环境学院,湖南,长沙,410128
- 作者简介：
- 基金信息：
- DOI：
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- Published：2013
- 稿件说明：
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YANG Jun, ZHOU Wei-jun, YANG Wei, et al. Characteristics of Phosphorus Forms in Rhizosphere and Non-rhizosphere Soil of Tea Plantation[J]. Bulletin of Soiland Water Conservation, 2013, 32(4): 216-220.
DOI：

YANG Jun, ZHOU Wei-jun, YANG Wei, et al. Characteristics of Phosphorus Forms in Rhizosphere and Non-rhizosphere Soil of Tea Plantation[J]. Bulletin of Soiland Water Conservation, 2013, 32(4): 216-220. DOI：

摘要

以茶树(Camellia sinensis)根际和非根际土壤为研究对象

选取湖南省石门、临澧、桃源、长沙、安化、资兴等6县(市)的茶园为采样点

对其根际和非根际土壤的全磷、有效磷及无机磷的不同化学形态进行了分析。结果表明

茶树根际土壤全磷和有效磷含量均高于非根际土壤

有效磷在根际富集明显;土壤无机磷含量及占全磷的比例差异都很大。不同母质发育土壤的无机磷组成也不同

板页岩母质发育的根际土壤中Al-P含量最高

Fe-P其次

O-P最少。花岗岩和第四纪红色黏土发育的根际土壤Fe-P最高

Al-P其次

O-P最少。3种母质发育的非根际土壤中均为Fe-P含量最高。根际无机磷中的Al-P

Fe-P和Ca-P含量与有效磷呈极显著正相关

非根际Al-P和Fe-P与土壤有效磷显著正相关关系。根际、非根际土壤全磷和有效磷含量与pH值相关性不显著

根际、非根际土壤有效磷和全磷含量相关性极显著。

Abstract

The characteristics of soil total phosphorus(P)

available P

different chemical form of inorganic P were studied in rhizosphere and non-rhizoshpere soil that was collected from Shimen

Linli

Taoyuan and Changsha area in tea plantation.The results showed the content of total P and available P were higher in rhizosphere soil than non-rhizosphere soil

and the apperent enrichment of available P was observed

while the difference was greater in the content of inorganic P

the ratio of available P to total P in tea plantation soil.In the rhizosphere soils derived from plate shale

the content of Al-P was the highest

Fe-P second and O-P was the least;in rhizosphere soils derived from granite and quaternary red clay

the content of Fe-P was the highest

Al-P second and O-P was the least.In all three types of non-rhizosphere soil the content of Fe-P was the highest.The correlation between Al-P

Fe-P

Ca-P of inorganic P in rhizosphere soil and the available P was extremely positive significant

but between Al-P

Fe-P in non-rhizosphere soil and the available P was positive significant.The P and the available P got no significant correlation with pH value in both rhizosphere and non-rhizosphere soils while the available P had significant correlation with the total P.

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