Introduction to crop husbandry : including grassland / by J.A.R. Lockhart and A.J.L. Wiseman. Lockhart, J. A. R. Wiseman, A. J. L. Crops. Agriculture. Crops Great Britain. Agriculture Great Britain. SB98 .L64 1988 631.0941 19 LOI Includes bibliographies and index. Oxford, England ; New York : Pergamon, c1988. c1988. 1988 Text xiii, 319 p. : eng Great Britain. Great Britain.