关键词: 夏休闲, 油菜, 冬小麦, 土壤水分

Abstract: Based on the characteristic of natural ecological condition and agro-pastoral production system of farming-pastoral transitional area in arid and semi-arid region, this paper put forward the integrated model of agro-grassland ecological system(sustainable utilization of land resource-plant production-animal production-social products). Some questions, such as efficient utilization of water resources, compound planting model of irrigated field, biological paling of natural grassland and rotation grazing system were studied and discussed.

Key words: summer fallow, rape, winter wheat, soil moisture.