TY - BOOK AU - Stefferud,Alfred ED - United States. TI - Power to produce T2 - Its Yearbook of agriculture, U1 - 631.3 20 PY - 1960///] CY - Washington PB - U.S. Govt. Print. Off. KW - Farm mechanization KW - United States KW - Agricultural implements KW - Agricultural machinery KW - Power (Mechanics) N1 - Contents Power in the past Revolution in agriculture A stout man to bear on Tools of former day Power in the present The development of the tractor Using wheels to move loads A machine is produced The place of petroleum Electricity comes to farm Power on the land Remaking the land Machine for clearing land Engineering for drainage Aids for irrigation Modifying soil profile Power in the harvest Swift untiring harvest help Outrunning time Preparing of products Power and livestock New barns for old Environment of animals Machine to help with chores Engineering the farmstead Change on the range Power in the market The right product Changes in market facility Mechanization of handling Railroads trucks and ships Measuring and keeping quality Power and efficiency Efficiency of lab our Development and application Engineering and biology Cost of farm machinery Cost of farm buldigs Power and its effects Technology and its effect Financing capital requirements Agribusiness in the machine age Change and employment Machine and farm organization Power in the present Mechanization and automation System engineering in agriculture Machines for new crop Marketing in the future Electric and telephone ; Includes index ER -