Fall spraying with sulphur washes
Parrott, P.J., Sirrine, F.A.
Fall spraying with sulphur washes - Geneva 1904 - 317-337 p. - Sulphur New York Agricultural Experiment Station. Bulletin No. 254 .
Fall spraying with sulphur washes - Geneva 1904 - 317-337 p. - Sulphur New York Agricultural Experiment Station. Bulletin No. 254 .