Title: Tillage, planting, and harvesting equipment on grain farms and rates of doing field work with these implements when drawn with horse and with tractor power
Description: <a href="http://uf.catalog.fcla.edu/uf.jsp?st=UF005403674&ix=pm&I=0&V=D&pm=1" rel="nofollow">http://uf.catalog.fcla.edu/uf.jsp?st=UF005403674&ix=pm&I=0&V=D&pm=1</a>
Subjects: Agricultural machinery, Harvesting machinery, Horses, Grain--United States, Agriculture--United States, Tractors.