Lime sulphur in relation to San José and oyster shell scales /
O'kane, W. C
Lime sulphur in relation to San José and oyster shell scales / by W. O'kane and J. G. Cohklin - Durham, N. H. : Agricultural Experiment Station - 14 p. - New Hampshire Agri. Exp. Sta. Technical bulletin; 40 .
202742
Insecticidas Control de plagas
Lime sulphur in relation to San José and oyster shell scales / by W. O'kane and J. G. Cohklin - Durham, N. H. : Agricultural Experiment Station - 14 p. - New Hampshire Agri. Exp. Sta. Technical bulletin; 40 .
202742
Insecticidas Control de plagas