The main measures are: to use the climatic resources scientifically and give full play to climatic productivepotentialities;
其中主要的措施有：科学利用气候资源，充分发挥气候生产潜力；十分珍惜每寸土地，努力提高土地生产率；
2
The method of agro-ecological region by FAO is used to calculate the productivepotentialities and population bearing capacity of land in Mancheng County, Hebei Province.
本文采用联合国粮农组织的农业生态区域法计算了满城县的土地生产力及人口承载力。
3
Adopting the Miami model, the paper evaluates the productivepotentialities of natural pasture and evaluates the capacity of natural pasture, manual meadow, crops straw and agricultural byproducts.