耕地质量预警  

Preliminary Study on the Early Warning of Cultivated Land Quality

作　　者：刘友兆[1] 马欣[1] 徐茂[2] 

机构地区：[1]南京农业大学土地管理学院,江苏南京210095 [2]江苏省农林厅,江苏南京210008

出　　处：《中国土地科学》2003年第6期9-12,共4页China Land Science

基　　金：江苏省高新技术研究项目(BG2001324-1)

摘　　要：研究目的:研究耕地质量预警的理论与方法,提供开展耕地质量的预警与消警依据。研究方法:文献资料法。研究结果:分析了耕地质量的重要性与波动性、耕地质量改良的滞后性与艰难性,指出了开展耕地质量预警研究的理论与实践意义,阐述了警情、警源、警兆和警度等基本内容,提出了耕地质量预警的方法与基本步骤。The purpose of this paper was to study the theory and methodology for early warning of cultivated land quality, and then to provide the basis for conducting early warning of cultivated land quality and eliminating warning situation. Method of documentation was applied. Based on the analysis of importance and fluctuation of cultivated land quality, this paper studied the time lag and hardship features of improving cultivated land quality, discussed the theoretical and practical significance of the research on early warning of cultivated land quality, and expounded the warning situation, warning source, warning sign and warning degree. Finally, it introduced the methods and procedures for the early warning of cultivated land quality.

关 键 词：耕地质量 土地资源 预警指标 耕地管理 

分 类 号：F301.21[经济管理—产业经济]