Effects of Long-Term Fertilizatton on Soil Physical and Chemical Property in Loess Hilly Area

WANG Gai-lan; DUAN Jian-nan; JIA Ning-feng; LIAO Jian-ping

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Effects of Long-Term Fertilizatton on Soil Physical and Chemical Property in Loess Hilly Area

更新时间：2024-11-07

- Effects of Long-Term Fertilizatton on Soil Physical and Chemical Property in Loess Hilly Area
- Vol. 20, Issue 4, Pages: 82-85(2006)
- 作者机构：
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  CLC： S157.41S153
- Published：2006
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WANG Gai-lan, DUAN Jian-nan, JIA Ning-feng, et al. Effects of Long-Term Fertilizatton on Soil Physical and Chemical Property in Loess Hilly Area[J]. 2006, 20(4): 82-85.
DOI：

WANG Gai-lan, DUAN Jian-nan, JIA Ning-feng, et al. Effects of Long-Term Fertilizatton on Soil Physical and Chemical Property in Loess Hilly Area[J]. 2006, 20(4): 82-85. DOI：

摘要

根据18年的长期定位试验，探讨了不同施肥处理对黄土丘陵区栗褐土土壤容重、土壤结构、孔隙性、水分物理性质以及对土壤有机质和土壤氮，磷含量的影响。结果表明，长期施用有机肥有利于保持和改善土壤孔隙状况，促进水稳性团聚体的形成，提高土壤的透水性和持水能力。单施化肥与不施肥相比，土壤物理性质有所改善，但与初始值比较则变劣。有机肥与化肥配合施用，可减轻化肥对土壤物理性质的不良影响。长期不施肥土壤物理性质有恶化趋势。单施有机肥和有机无机肥配合施用可显著提高土壤有机质和氮、磷含量，有机无机肥配合施用效果更明显，单施化肥的效果不显著。

Abstract

The effects of fertilization treatments on soil bulk density

soil structure

soil porosity

soil water physical properties and contents of SOM

soil N and soil P2O5 are studied based on the 18 years long-term experiment on chestnut-cinnamon soil in loess hilly. The results show that the long-term organic fertilizer application helps maintain and improve the soil pore conditions

to bring about formation of water stable aggregate

and improve soil water infiltration and water-holding capability. Soil physical properties in treatments of inorganic fertilizer ap- plication are better than them in the treatment of no fertilization

but are worse than them in the same treatments at beginning of the experiment conducted. The application of both organic and inorganic fertilizer helps reduce the bad effect of inorganic fertilizer on soil physical property. The soil physical properties in the treatment of no fertilization are tending to deteriorate. Contents of SOM

soil N and soil P2O5 are increased significantly in the treatments of organic application only and applications both organic and inorganic fertilizer

but the effects of the later is better

and the effects of inorganic fertilizer application are not significant.

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Related Institution

National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, College of Recourses and Environment, Shandong Agricultural University, Taian

Shandong Nongda Fertilizer Technology Co., Ltd., Feicheng

National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, College of Resources and Environment, Shandong Agricultural University, Taian

东北农业大学,哈尔滨,1500302. 中国科学院东北地理与农业生态研究所黑土区农业生态院重点实验室

Si-jia1,2,HAN Xiao-zeng1,YOU Meng-yang1,ZHU Wei-wei1,2(1.Key Laboratory of Mollisols Agroecology,Northeast Institute of Geography and Agro-ecology,CAS,Harbin 150081,2.Northeast Agricultural University,Harbin )

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