Ten agricultural and biological engineering achievements that changed the world

Thomas D. Ogle, Robert J. Gustafson, Leroy K. Pickett, Edward C. Martin, S. Ed Hughs, Douglas J. Reinemann, Donald C. Erbach, Russell H. Hahn, Kenneth N. Brodbeck, David W. Smith, Robert E. Graves

Research output: Contribution to journalArticlepeer-review


Some of the agricultural and biological engineering achievements that has changed the world are presented. Agricultural engineers have been intimately involved in the development of the agricultural tractor and associated implements. Tractors have changed tremendously over the years with more power heated and air conditioned cabs with stereos, power shift transmissions, front wheel assist, guidance systems, infinite variable transmissions, and computers. The electrification of rural America has enabled the switch from animal and human power to mechanical and electrical power. One of the most versatile of farm machines, the combine, harvests a diverse range of crops, handling dry fragile crops such as flax, tall rugged crops such as corn, and stringy crops often flattened to the ground such as rice. The development of the milking machine in the early 1900s has improved the labor efficiency of collecting milk.

Original languageEnglish (US)
Pages (from-to)2-7
Number of pages6
JournalResource: Engineering and Technology for Sustainable World
Issue number4
StatePublished - May 2007

ASJC Scopus subject areas

  • Biotechnology
  • Agricultural and Biological Sciences(all)
  • Engineering(all)


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