Crop production :
Smith, C. Wayne.
Crop production : evolution, history, and technology / C. Wayne Smith. - New York : J. Wiley, c1995. - xv, 469 p. : ill. ; 25 cm.
Includes bibliographical references and index.
0471079723
Field crops--United States.
SB187.U6 / S55 1995
Crop production : evolution, history, and technology / C. Wayne Smith. - New York : J. Wiley, c1995. - xv, 469 p. : ill. ; 25 cm.
Includes bibliographical references and index.
0471079723
Field crops--United States.
SB187.U6 / S55 1995