1930 Spraying recommendations for apples
Headlee, T.J., Farley, A.J.
1930 Spraying recommendations for apples - New Brunswick 1930 - 1-7: p. - New Jersey Agricaltural Experiment Station, Circular, No. 220 .
Apples
1930 Spraying recommendations for apples - New Brunswick 1930 - 1-7: p. - New Jersey Agricaltural Experiment Station, Circular, No. 220 .
Apples