[1]庞飞,李志刚,李健,等.杨树枝条不同施用方式对宁夏沙化土壤性质的短期影响[J].水土保持研究,2018,25(02):99-104.
　PANG Fei,LI Zhigang,LI Jian,et al.Short Term Effects of Different Poplar Branch Application Approaches on Desertified Soils Properties in the Ningxia Hui Autonomous Region[J].Research of Soil and Water Conservation,2018,25(02):99-104.
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杨树枝条不同施用方式对宁夏沙化土壤性质的短期影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 25 期数: 2018年02期 页码: 99-104 栏目: 出版日期: 2018-04-03
Title:
Short Term Effects of Different Poplar Branch Application Approaches on Desertified Soils Properties in the Ningxia Hui Autonomous Region
作者:
庞飞1,3, 李志刚2,3, 李健3, 李金林1
1. 宁夏大学 生命科学学院, 银川 750021;
2. 宁夏大学 农学院, 银川 750021;
3. 宁夏林业研究院 种苗生物工程国家重点实验室, 银川 750004
Author(s):
PANG Fei1,3, LI Zhigang2,3, LI Jian3, LI Jinlin1
1. School of Life Sciences, Ningxia University, Yinchuan 750021, China;
2. Agricultural school, Ningxia University, Yinchuan 750021, China;
3. State Key Laboratory of the Seedling Bioengineering, Ningxia Forestry Institute, Yinchuan 750004, China
关键词:
沙化土壤; 杨树枝条; 改良效果; 宁夏
Keywords:
desertified soils; poplar branch; amended effects; Ningxia Hui Autonomus Regin
分类号:
S156.5
摘要:
以宁夏当地易得的杨树枝条为材料，通过模拟试验设计了未粉碎枝条表施（UBM）、粉碎枝条表施（GBM）、粉碎枝条混施（GBI）、粉碎枝条混施+未粉碎枝条表施（GBI+UBM）、对照（CK）5种处理方式，研究了杨树枝条不同施用方式对宁夏沙化土壤中碳、氮、磷、钾含量及土壤密度、田间持水率、孔隙度、含水量、微生物数量和土壤酶活性的影响。结果表明：与CK相比，GBI和GBI+UBM显著提高了土壤总孔隙度、田间持水量以及速效钾、无机氮、细菌、放线菌、真菌、微生物量碳、氮的含量；显著提高了脲酶、纤维素酶的活性，显著降低了土壤密度（p<0.05）。GBI+UBM整体上对沙化土壤改良效果较GBI显著（p<0.05）。UBM和GBM只对土壤含水量、放线菌含量影响显著（p<0.05），且两处理间无显著差异（土壤含水量除外）。主成分分析结果表明各处理对沙化土壤的改良效果依次为GBI+UBM > GBI > UBM > GBM > CK。该研究为宁夏当地及中国北方干旱半干旱地区沙化土地改良提供可借鉴的案例。
Abstract:
Local poplar branch was selected as amended materials, and simulated experiment with five amended patterns including mulching unground branch (UBM), mulching ground branch (GBM), incorporating ground branch(GBI), incorporating ground branch plus mulching unground branch (GBI+UBM), and control (CK) were designed for testing changes of C, N, P, K, bulk density, field water holding capacity, porosity, soil moisture content, microbial number and enzyme activities of desertification soil in Ningxia. The results showed that compared with CK, GBI and GBI+UBM significantly decreased bulk density, but increased soil total porosity, field water holding capacity, P, inorganic N, K, bacteria number, actinomyces number, fungi number, microbial biomass C and microbial biomass N, urease activity and cellulose activity (p < 0.05), and GBI+UBM was more effective than GBI (p < 0.05). However, UBM and GBM merely increased soil moisture content,actinomyces number and there no different between them(except soil moisture content). PCA showed the amended effects among treatments followed the order:GBI+UBM > GBI > UBM > GBM > CK. This study provides a successful case for sandy soil improvement in Ningxia and other arid and semiarid areas of North China.

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相似文献/References:

[1]庞飞,李志刚,李健.有机物料和氮添加对宁夏沙化土壤碳矿化的影响[J].水土保持研究,2018,25(03):75.
　PANG Fei,LI Zhigang,LI Jian.Effects of Incorporated Organic Materials with N Fertilizer on Soil Carbon Mineralization of Desertified Soil in Ningxia[J].Research of Soil and Water Conservation,2018,25(02):75.

备注/Memo

收稿日期:2017-4-23;改回日期:2017-5-9。
基金项目:国家国际合作专项（2015DFA90900）；引进国际先进林业科学技术项目（2013-04-79）
作者简介:庞飞(1992-),男,宁夏石嘴山人,硕士研究生,研究方向为生物化学与分子生物学。E-mail:18795210125@163.com
通讯作者:李志刚(1985-),男,宁夏海原人,博士,主要从事草地生态学方面的研究。E-mail:lizg001@sina.com

更新日期/Last Update: 1900-01-01