Greenhouse management : a guide to structures, environmental control, materials handling, crop programming, and business analysis /
Langhans, Robert W., 1929-
Greenhouse management : a guide to structures, environmental control, materials handling, crop programming, and business analysis / Robert W. Langhans ; line drawings by Virginia Langhans. - Ithaca, N.Y. : Halcyon Press of Ithaca, 1980. - x, 239 pages Illustrations ; 24 cm.
Includes bibliographies and index.
0960400605
80114393
Greenhouse management.
SB415 / .L26
635.9/823/068
Greenhouse management : a guide to structures, environmental control, materials handling, crop programming, and business analysis / Robert W. Langhans ; line drawings by Virginia Langhans. - Ithaca, N.Y. : Halcyon Press of Ithaca, 1980. - x, 239 pages Illustrations ; 24 cm.
Includes bibliographies and index.
0960400605
80114393
Greenhouse management.
SB415 / .L26
635.9/823/068