Harrisons' nurseries : "nurserymen - orchardists" . nformation needed to keep your trees in prime main point is to spray at the RIGHT TIME. (We are in-debted to the Maryland State College of Agriculture for thiscomplete table and formulas.) SPRAYING POINTERS 1. Use a machine of adequate capacity. 2. If a power sprayer is used, consider weight, type of pump, and simplicity of the engine and its gearing to the pump. 3. Valves should be easily accessible and preferably of the ball type. Packing should be easily replaced. 4. Relief valves should be simple and reliable. 5. Propeller a
Harrisons' nurseries : "nurserymen - orchardists" . nformation needed to keep your trees in prime main point is to spray at the RIGHT TIME. (We are in-debted to the Maryland State College of Agriculture for thiscomplete table and formulas.) SPRAYING POINTERS 1. Use a machine of adequate capacity. 2. If a power sprayer is used, consider weight, type of pump, and simplicity of the engine and its gearing to the pump. 3. Valves should be easily accessible and preferably of the ball type. Packing should be easily replaced. 4. Relief valves should be simple and reliable. 5. Propeller agitation is the most satisfactory. 6. Get the best accessories. Cut-offs should be two-way and quick in action. 7. Nozzles should be of the angle type, of large capacity, with a minimum number of parts. 8. Wire-wound hose is cheapest in the end and best for or- chard work. 9. Spray to cover every part of the tree or crop. 10. Strain your materials thoroughly. 11. Have adequate water supply, preferably under pressure. NURSEIl YMEN —ORCHARDISTS 11. FORMULAS FOR SPRAY MIXTURES 1. CONCENTRATED LIME-SULFUR—Home-Made: Best stone lime (at least 95% calcium oxide) 50 lbs. Sulfur (any kind finely ground, 98% pure) 100 lbs. Water . 50 gals. Heat 20 gals, of water in an iron vat or by steam in barrels; addstone lime and sulfur gradually. Vigorous action will take place andcold water should be near at hand to be added gradually, to make atotal of about 55 gals. Boil for 1 hour. For dormant spraying, diluteat the rate of 1 to 9. For summer spray, dilute 1 to 40. Commercial.—Lime-sulfur solution may be purchased from variousfirms. It should be diluted as above. Soluble oils may be substituted1 to 15 tor dormant spray. 2. SELF-BOILED LIME-SULFUR: Flowers of sulfur 8 lbs. Stone lime of good quality 8 lbs. Water 50 gals. Start the lime to slaking with a little water. (Use hot water if limeis slow-acting.) As soon as the lime begins to slake rapidly, add thesulfur and stir continuously, ad
Size: 1934px × 1292px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorhenryggi, bookcentury1900, bookdecade1920, bookyear1921
