摘要
对晋西北河曲、保德、偏关３县５０个乡镇１９５２～１９９２年间粮食生产的时空变化规律作了系统的分析，讨论了粮食减产率的时空差异，对农民生活的影响及与自然灾害、人为投入的关系。
The paper analyses the temporal and spatial changes of grain production in the 50 townships of the Northwest Shanxi Province during 1952～1992,and discusses the distribution of disaster impacet.It is concluded that the agricultural disasters(mainly drought) severely influence live and welfare of the local farmers,but the situation can be changed at some extent by the input of money and labour.
出处
《北京师范大学学报（自然科学版）》
CAS
CSCD
1995年第4期542-548,共7页
Journal of Beijing Normal University(Natural Science)
基金
国家自然科学基金
关键词
晋西北
粮食生产
自然灾害
the Northwest Shanxi
grain production
agricultural disaster
