摘要
本文在提出土壤变化概念及其驱动力的基础上，论述了农业生产活动对土壤侵蚀、上镶有机质和营养元素、土壤酸化、土壤生物学特性、土壤物理性质诸方面的正、逆向效应，最后指出研究农业生产对土壤变化的影响是发展持续农业所必需的.
After raising the concepts of soil change and its impetuses. the paper discusses the positive and negative effects of agricultural activities on soil erosion, soil acidification, biological and physical properties of soil. At last, it points out that it is necessary to study the effects of agriculture on soil changes in order to develop sustainable agriculture.
关键词
土壤变化
农业生产
持续农业
soil changes, agriculture, sustainable agriculture
