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中国农学通报 ›› 2009, Vol. 25 ›› Issue (22): 0-0.

所属专题: 耕地保护

• 资源 环境 生态 土壤 气象 •    

西南地区耕地质量下降的深层原因及政策建议

杨瑞珍   

  • 收稿日期:2009-06-15 修回日期:2009-08-26 出版日期:2009-11-20 发布日期:2009-11-20

The Deep Analysis of the quality of cultivated lands in southwestern China and Policy Proposal

  • Received:2009-06-15 Revised:2009-08-26 Online:2009-11-20 Published:2009-11-20

摘要: 西南地区是我国重要的粮、肉、油、果、烟、蔗等农产品的生产基地,保护和利用好其耕地资源对保障国家粮食安全意义重大。本文分析了当前西南地区耕地质量存在的突出问题,并从投入现状、管理体制、科技、法制等方面揭示了耕地质量下降的深层原因,提出了相应的对策措施与政策建议。

关键词: 甜菜碱, 甜菜碱, 胚胎成纤维细胞, 三黄鸡, 微核率

Abstract: Based on discussing the main problems of the quality of cultivated lands in southwestern Chin, the paper is to reveal the deep causes of falling-off in quality of cultivated lands in southwestern China, . Then, the countermeasures to protect the quality of cultivated land were put forward.