Spraying to control preharvest drop of apples /
Southwick, Lawrence
Spraying to control preharvest drop of apples / by Lawrence Southwick and J.K. Shaw - Amherst, Mass. : Massachusetts Agricultural Experiment Station - 16 p. - Bulletin; 381 .
Encuadernado con: Orchard insects of the pacific northwest and their control / by E.J. Newcomer
200798
Manzana -- fumigación -- Massachusett, USA
PA-C 634 N4 1933
Spraying to control preharvest drop of apples / by Lawrence Southwick and J.K. Shaw - Amherst, Mass. : Massachusetts Agricultural Experiment Station - 16 p. - Bulletin; 381 .
Encuadernado con: Orchard insects of the pacific northwest and their control / by E.J. Newcomer
200798
Manzana -- fumigación -- Massachusett, USA
PA-C 634 N4 1933