Hunger signs in crops; a symposium,
Hunger signs in crops; a symposium,
prepared by Firman E. Bear [and others.
- Rev., i.e. 2d, ed.]
- Washington, American Society of Agronomy and National Fertilizer Association [1949]
- xvi, 390 p. illus. (part col.) 27 cm.
"Selected references" at end of each chapter except the first.
agr50000006
Deficiency diseases in plants.
QK867 / .A5 1949
581.13082
"Selected references" at end of each chapter except the first.
agr50000006
Deficiency diseases in plants.
QK867 / .A5 1949
581.13082