Excerpt from Important Orchard Pests and Spray Formulae: With General Outlines for Spraying of Apple and Peach Orchards
Only the leading spray mixtures are here mentioned. All have merit in the control of particular insect or plant diseases. It is, however, essential that care be used not only in selecting the right material, but in the time and thoroughness of application. No spraying takes the place of orchard feeding or pruning.
About the...
CHF 12.90
