欢迎访问《生态学杂志》官方网站,今天是 分享到:

生态学杂志 ›› 1990, Vol. ›› Issue (5): 63-65.

• 学术讨论和建议 • 上一篇    下一篇

试论云阳县人口激增与土地锐减的矛盾及对策

唐治诚1, 周厚发2, 刘光明3, 刘川3   

  1. 1. 四川云阳县农业局;
    2. 云阳县国土局;
    3. 云阳县农业局
  • 收稿日期:1989-12-27 修回日期:1990-03-29 出版日期:1990-10-10

Contradictions and Their Countermeasures for Rapid Population Growth and Land Reduction in Yunyang County of Sichuan Province

Tang Zicheng1, Zhou Houfa2, Liu Guangming3, Liu Chuan3   

  1. 1. Agricultural Bureau of Yunyang County, Sichuan Province;
    2. National Land Bureau of Yunyang County;
    3. Agricultural Bureau of Yunyang County
  • Received:1989-12-27 Revised:1990-03-29 Online:1990-10-10

关键词: 菜地, 氮磷, 重金属, 累积, 风险

Abstract: This paper details about the present situations of population and land in Yunyang county ofSichuan province.Because of the rapid population growth and land reduction,problems arousefor grain production,ecological envircnment and development of rural economy.Some counter-measures are suggested for dealing with the population and land problems.

Key words: vegetable field, nitrogen and phosphorus, heavy metal, accumulation, risk