Spraying citrus fruit in Porto Rico /
Cook, Melville T.
Spraying citrus fruit in Porto Rico / by Melville T. Cook, H. L. Dozier - San Juan, P.R. : Bureau of Supplies, Printing, and Transportation, 1925 - 23 p. : ill. ; 24 cm - Circular. Insular Experiment Station ; 88 .
Spraying citrus fruit in Porto Rico / by Melville T. Cook, H. L. Dozier - San Juan, P.R. : Bureau of Supplies, Printing, and Transportation, 1925 - 23 p. : ill. ; 24 cm - Circular. Insular Experiment Station ; 88 .