摘要
系统地分析了土壤变化概念、类型及其变化因素 ,重点论述了当代农业利用的特点及其对土壤环境和土壤性质的影响 ,阐述了当前土壤变化的定量化评价方法 ,揭示了土壤变化研究存在的问题 ,提出了土壤变化研究的重点应放在中尺度和大尺度上 ,为区域持续农业的高效发展提供科学依据。
The concept, types and its factors of soil change was discussed systematically in this article. The characteristics of land utilization in modern agriculture and its influence on soil environment and soil properties was mainly stated. And then the main quantitative evaluation methods of soil change was introduced. The problems of soil change's studies was reveales.It was suggested that the key study area of soil change study in the future should be located on medium and large scale soil changes in a long time in order to provide scientific evidences for sustainable and high profit agriculture development.
出处
《河南农业科学》
CSCD
北大核心
2004年第10期54-59,共6页
Journal of Henan Agricultural Sciences
基金
国家自然基金资助项目 (4 98310 0 4 )
关键词
土壤
土壤变化
土壤评价
土地利用
Soil
Soil change
Soil evaluation
Land utilization
