The principles of plant culture; a text for beginners in agriculture and horticulture

Abstract

Barrel pump for small orchard. Good spray outfit for low trees. Power sprayer for commercial orchard Two good types of spray nozzles. Tarred paper cards for protecting stems of young plants Tool for cutting cards ..... Manner of using tool in cutting cards. Curculio catcher .... Steam sterilization of greenhouse soil Apple-scab on leaves. .. .