我国耕地地力评价研究进展

耕地是农业生产最基本的资源,耕地地力的好坏直接影响到农业生产的发展。随着我国经济社会快速发展,耕地面积与质量变化对粮食安全构成了严峻挑战,受到社会各界的日益关注,对耕地地力评价的研究越来越多。文章简要回顾了近十年来,我国耕地地力评价的历程、耕地地力评价的方法和GIS技术等现代研究手段在这一领域的应用。现有研究结果表明,现代信息技术在耕地地力评价中的作用日益突出,尤其是GIS技术的应用全面提升了传统耕地调查与评价的方式和方法,不仅省时、省力,评价结果准确可靠,而且可以做到适时更新、快速统计、制图,是今后耕地质量管理技术的发展方向。

Fertility evaluation of cultivated land in China: A review

Cultivated land is fundamental resources of agricultural production.The quality of cultivated land affects development of agricultural production directly.With social and economic speediness development of China,the changes both areas and quality of cultivated land is posing a challenge to food safety.Thus,it is paid much attention to by all people from all walks of life.More and more researches in evaluation on fertility of cultivated land have being done.This paper summarized the developing course,methods and application of GIS-technology,modern research measures for cultivated land fertility evaluation in the past decade.According to the literature,the outstanding function of advanced information technology used in cultivated land quality evaluation can be found increasingly.Especially,the traditional mode and method were upgraded with the application of GIS technology.It will be the orientation of technical development in cultivated land management.