期刊名称：Journal of Agribusiness and Rural Development
印刷版ISSN：1899-5241
电子版ISSN：1899-5772
出版年度：2002
卷号：1
页码：129-136
出版社：Uniwersytet Przyrodniczy w Poznaniu
摘要：The best economical result give pea, field pea and broad bean. Profitable relation ?protein costs of production on a farm: price of protein in soybean? is in producing broad bean and yellow lupine.
关键词：crop; profitability of products; big farms; individual farms
