解决家畜日粮中蛋白质缺乏的途径之一,就是广泛地利用豆科作物中的大豆。在乌里扬诺夫省的土壤一气候条件下,对栽培大豆早熟品种是适宜的。1980—1985年期间,它们的产量达到每公顷生产籽实30公担,并提供饲浆期豆科青草280公担。根据乌里扬诺夫省农业化学实验室资料,这种青 One of the ways to solve the protein deficiency in livestock diets is to make extensive use of soybeans in leguminous crops. In the Ulyanov Province soil-climatic conditions, the cultivation of early maturing varieties of soybean is appropriate. During the period 1980-1985, their production reached 30 kgs per hectare of produced seeds and provided 280 kgs of leguminous grass during the feeding period. According to Ulyanov Province agrochemical laboratory data, this kind of green