英文文献：Relation Of The Cost-Price Squeeze To The Reduction In Number Of American Farms
英文文献作者：Lewis, A.B.
英文文献摘要：
Farm price relationships were so unfavorable from the early 1950 1s through 1971 that only with the disappearance of nearly one-half the farms: and their consolidation with the survivors, with a great increase in farm mortgage debt, was it possible for remaining farmers to achieve family incomes competitive by American standards.