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| 耕地质量预警 | |
| 引用本文： | 刘友兆,马欣,徐茂. 耕地质量预警[J]. 中国土地科学, 2003, 17(6): 9-12 |
| 作者姓名： | 刘友兆 马欣 徐茂 |
| 作者单位： | 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 |
| 基金项目： | 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。 |
| 关 键 词： | 土地资源 耕地质量 预警内容 步骤 |
| 文章编号： | 1001-8158(2003)06-0009-04 |
| 修稿时间： | 2003-11-05 |
Preliminary Study on the Early Warning of Cultivated Land Quality |
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| LIU You zhao,MA Xin,XU Mao. Preliminary Study on the Early Warning of Cultivated Land Quality[J]. China Land Sciences, 2003, 17(6): 9-12 | |
| Authors: | LIU You zhao MA Xin XU Mao |
| Affiliation: | LIU You zhao1,MA Xin1,XU Mao2 |
| Abstract: | 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. |
| Keywords: | land resources cultivated land quality contents of early warning procedure |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |