不同水土保持措施对闽西紫色土速效养分及可蚀性的影响

陈俊佳; 陈志彪; 陈志强; 黄锦祥; 张仁涛; 陈海滨; 蒋涛

doi:10.13870/j.cnki.stbcxb.2019.01.008

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不同水土保持措施对闽西紫色土速效养分及可蚀性的影响

更新时间：2025-03-12

- 不同水土保持措施对闽西紫色土速效养分及可蚀性的影响
- Effects of Different Soil and Water Conservation Measures on Available Nutrients and Erodibility Characteristics of Purple Soil in Western Fujian
- 水土保持学报 2019年33卷第1期页码：45-50
- 作者机构：
  
  1. 福建师范大学湿润亚热带生态地理过程教育部重点实验室,福州,350007
  2. 福建师范大学地理科学学院,福州,350007
  3. 福建省宁化县水土保持委员会办公室, 福建宁化,365400
- 作者简介：
  
  [ "陈俊佳(1992-),男,硕士研究生,主要从事侵蚀过程与生态调控研究。E-mail:chenjunjia666666@163.com" ]
- 基金信息：
  
  福建省社会发展引导性（重点）项目（2016Y0024）国家自然科学基金项目（41171232）国家重点研发计划项目（2016YFC0502905）福建省矿山生态修复工程研究中心开放基金项目（MECER20120893B170008）
- DOI：10.13870/j.cnki.stbcxb.2019.01.008
  中图分类号： S153
- 纸质出版：2019
- 稿件说明：
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陈俊佳, 陈志彪, 陈志强, 等. 不同水土保持措施对闽西紫色土速效养分及可蚀性的影响[J]. 水土保持学报, 2019,33(1):45-50.

CHEN Junjia, CHEN Zhibiao, CHEN Zhiqiang, et al. Effects of Different Soil and Water Conservation Measures on Available Nutrients and Erodibility Characteristics of Purple Soil in Western Fujian[J]. 2019, 33(1): 45-50.
陈俊佳, 陈志彪, 陈志强, 等. 不同水土保持措施对闽西紫色土速效养分及可蚀性的影响[J]. 水土保持学报, 2019,33(1):45-50. DOI： 10.13870/j.cnki.stbcxb.2019.01.008.

CHEN Junjia, CHEN Zhibiao, CHEN Zhiqiang, et al. Effects of Different Soil and Water Conservation Measures on Available Nutrients and Erodibility Characteristics of Purple Soil in Western Fujian[J]. 2019, 33(1): 45-50. DOI： 10.13870/j.cnki.stbcxb.2019.01.008.

摘要

以福建省西部宁化县紫色土区梯田+杨梅+百喜草（C1）、山边沟+鱼鳞坑+金银花（C2）、隔坡梯田+鱼鳞坑+油茶（C3）、鱼鳞坑+油茶（C4）、竹节沟+乔灌草（C5）5种水土保持措施和无水土保持措施（CK）的紫色土坡地为研究对象，对比分析不同水土保持措施下闽西紫色土速效养分含量及可蚀性特征差异，并揭示土壤速效养分与可蚀性特征间的相互关系。结果表明：5种水土保持措施下紫色土速效养分含量除硝态氮外均高于CK，其中，铵态氮（NH4+-N）、硝态氮（NO3--N）、速效磷（AP）、速效钾（AK）含量分别呈现C2 > C3 > C4 > C1 > C5 > CK、C2 > CK > C4 > C3 > C5 > C1、C2 > C5 > C1 > C3 > C4 > CK、C2 > C1 > C3 > C5 > C4 > CK的变化规律；5种不同水土保持措施下土壤AN/AP、AN/AK均小于CK，而AP/AK则表现为C3 < CK < C4 < C1 < C5 < C2的变化规律，总体上5种水土保持措施均能有效促进土壤速效养分平衡。5种水土保持措施下土壤可蚀性K值均小于CK，土壤有机碳含量均高于CK，其中C2的土壤可蚀性K值最小，有机碳和砂粒含量最高。可见，在闽西紫色土坡地中布设水土保持措施能有效提高紫色土抗侵蚀能力，其中山边沟+鱼鳞坑+金银花的水土保持效果最好。紫色土速效养分与可蚀性特征联系密切，土壤可蚀性K值越大，速效养分流失越严重，速效养分含量越低。研究结果为紫色土坡地评价水土流失治理效果提供数据支撑，为水土保持措施的选择提供借鉴。

Abstract

Taking the terrace + Myrica rubra + Paspalum natatum (C1)

hillside ditch+ fish-scale pits + Lonicera japonica (C2)

terraced fields with slope + fish-scale pits + Camellia oleifera (C3)

fish-scale pits + Camellia oleifera (C4)

slub ditch + arbor and shrub and herb (C5) five soil and water conservation measures and no measures (CK) in purple soil slope land of Ninghua County

western Fujian Province as the research object

the available nutrients contents and erodibility characteristics were compared and analyzed; and the relationships between soil available nutrients and erodibility characteristics were revealed. The results showed that the available nutrients contents of purple soil were higher than those of CK except nitrate nitrogen under 5 soil and water conservation measures. The contents of ammonium nitrogen

nitrate nitrogen

available phosphorus (AP) and available potassium (AK) showed the changes of C2 > C3 > C4 > C1 > C5 > CK

C2 > CK > C4 > C3 > C5 > C1

C2 > C5 > C1 > C3 > C4 > CK and C2 > C1 > C3 > C5 > C4 > CK respectively. All the soil AN/AP and AN/AK under 5 soil and water conservation measures were less than CK

while AP/AK showed C3 < CK < C4 < C1 < C5 < C2. In general

five soil and water conservation measures could improve the balance of soil available nutrients. The K values of soil erodibility under 5 measures were lower than that of CK. The contents of soil organic carbon were higher than that of CK. Among them

the soil K value under C2 was the least

and the contents of organic carbon and sand were the highest. It could be seen that the soil and water conservation measures could effectively improve the anti-erosion ability in the purple soil slope of west Fujian

where the hillside ditch + fish-scale pits + Lonicera japonica gave the best. The soil available nutrients were closely related to the characteristics of erodibility. The higher the K value of soil erodibility

the more serious the available nutrients loss and the lower the available nutrients contents. These findings provided data support for evaluating the effect of soil erosion control in purple soil area of Western Fujian

and also provided reference for the selection of soil and water conservation measures in this area.

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