A series of bulletins on orchard technique /

The nature and use of certain insecticides / J.L. Phillips and H.L. Price -- Orchard technique. I. The fruit soils of Virginia. II. Fruit list for Virginia / Wm. B. Alwood -- Orchard technique. III. Growing the apple orchard / Wm. B. Alwood -- Orchard Technique. IV. Spraying the orchard / Wm. B. Alwood -- Orchard technique. V. Apple production in Virginia / Wm. B. Alwood.