Agricultural plants /
Langer, R. H. M. 1921-
Agricultural plants / R. H. M. Langer & G.D. Hill ; illustrations by Karen Mason. - 2nd ed. - Cambridge [England] ; New York : Cambridge University Press, 1991. - xiii, 387 p. : ill. ; 24 cm.
Includes bibliographical references and indexes.
0521405459 0521405637 (pbk.)
Crops.
/
631 / LAA
Agricultural plants / R. H. M. Langer & G.D. Hill ; illustrations by Karen Mason. - 2nd ed. - Cambridge [England] ; New York : Cambridge University Press, 1991. - xiii, 387 p. : ill. ; 24 cm.
Includes bibliographical references and indexes.
0521405459 0521405637 (pbk.)
Crops.
/
631 / LAA