摘要
根据甘肃省黄土高原区农耕期和喜温作物安全生长季的热量资源，此区可划分为二年三熟小麦、玉米适宜生长区；一年一熟小麦、玉米适宜生长区和一年一熟喜凉作物生长区。探讨了麦收后复种的可能性。分析了主要粮食作物的热量资源利用率和热量利用效率。
Based on the farming stage and heat resources of the safe growing stage ofthermophilic crops on the Loess Plateau in Gansu Province ,this region can be dividedinto the zone suitable for wheat and corn growing with three crops in two years ,thezone suitable for wheat and corn growing with one crop in one year and the zone for thecryophilic crops with one crop in one year.Also,this paper discusses the possibility ofmultiple cropping after wheat is harvested,analyses the use ratio of heat resources andheat use efficiency by the principal food crops,and presents some suggestions for ratio-nal exploitation and ful use of heat resources.
出处
《干旱地区农业研究》
CSCD
北大核心
1995年第1期105-109,共5页
Agricultural Research in the Arid Areas
基金
国家攻关课题
