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紫花苜蓿与沙打旺皆为生产潜力颇大的优质多年生豆科牧草,在本地栽培均有多年历史。但由于大庆市地处黑龙江省西部干旱地带,降雨不足,春旱尤其严重,加之土壤盐矸、贫瘠、生育期较短等不利因素的影响,产量不高,极大地限制了这两种牧草的大面积推广,从而形成了畜牧业生产对草原具
Medicago sativa and Astragalus are both high-quality perennial leguminous crops that have a high potential for production and have been cultivated for many years in the country. However, Daqing City is located in the arid region of western Heilongjiang Province, with insufficient rainfall and especially severe spring drought. Due to unfavorable factors such as soil gangue, barrenness and short growth period, Daqing City is poorly productive and greatly limits the productivity of these two herbage Large-scale promotion, thus forming a livestock husbandry production on the prairie