摘要
我国作为一个人口众多的农业大国,耕地资源十分紧缺,人口与耕地的矛盾突出,合理、高效和可持续地开发利用耕地资源至为重要。建国以来,许多学者都对我国的耕地资源进行了深入地研究,其中有关耕地数量变化的研究就是近期的一个重要研究内容之一。本文通过对我国耕地数量变化研究的回顾,总结了耕地数量变化研究方面的主要进展,并指出了研究中存在的主要问题及其给人们的启示。
Ours is a big agricultural country with such a large population, but limited land resources and the conflict between the two has been growing more and more prominent. How to exploit the land resources in a reasonable, effective and sustainable way is extremely important in tackling with the problem. Since 1949, a great many scholars have been doing profound research on land resources in China, The study on quantitative change in cultivated land is an important aspect of the recent research on land resources. This paper reviews and summarizes main progresses in the study on quantitative change in cultivated land and points out some problems still existing in the study and possible solutions.
出处
《土壤》
CAS
CSCD
北大核心
2003年第3期193-197,215,共6页
Soils