摘要
本文以四川中低产田土综合治理实况为例,着重论述了自然灾害对农业生态系统的严重危害,从而阐明了改造中低产田土对提高经济、生态、社会三大效益的重要性和紧迫性,并从省情出发,总结提出当前乃至今后相当一个时期,农业部门所应采取的几项行之有效的措施,展望了2000年前景。
Based on the examples of improvement of middle-low yield soils in Sichuan,thispaper emphasizes the serious harm of natural disaster for agricultural ecological system,and elaborates on the importances as well as urgency of middle-low yield soils caused bythe natural disaster for increasing economical,ecological and social benefits.Consider-ing the instance of Sichuan Province,this paper also presents some items of virtualmeasure by agricultural branch during the periods of present and future.At last theauthors reveals the prospect in 2000.
出处
《长江流域资源与环境》
CAS
CSCD
1993年第2期143-148,共6页
Resources and Environment in the Yangtze Basin
关键词
农田
土壤
综合治理
生态环境
soil comprehenive improvement
ecotope
natural disaster
