Spray calendar for plum
Headlee, T.J., Blake, M.A., Cook, Mel. T.
Spray calendar for plum - New Brunswick 1918 - 1-4 p. - Plum New Jersey Agricultural Experiment Station. Circular No. 78 .
Spray calendar for plum - New Brunswick 1918 - 1-4 p. - Plum New Jersey Agricultural Experiment Station. Circular No. 78 .