摘要
耕地是农业生产的重要生产资料,对耕地进行分等定级,是查清耕地质量状况的必要手段。耕地地力划分标准的编制采用综合归纳法、专家经验法和限制因素法。该文试图通过对赫章县水塘乡农区的耕地进行地力调查、分等、定级、评价等方面的阐述,为更加有效的保护耕地、合理开发利用和新增耕地的定级提供依据。
The paper discusses the results of the investigation and rank evaluation of soil fertility of arable land in Shuitang village, Hezhang county by using the comprehensive inductive, expert experience and limited factor methods to provide the scientific basis for the effective protection and rational development and utilization of arable land, and rank evaluation of soil fertility of new arable land.
出处
《贵州农业科学》
CAS
2007年第3期77-81,共5页
Guizhou Agricultural Sciences
关键词
耕地类型区
地力等级
评价
arable land
soil fertility rank
evaluation