102 DECIDUOUS FEUIT INSECTS AND INSECTICIDES. 



T^o. 8. — To each of S of the 24 trees treated in experiment 7 added barnyard 

 manure to find value of fertilizers. 



First application, April 10, 1908 ; second application, July 7, lOOS. 



2Vo, 9, — Xo remaining 8 trees of experiment 7 added commercial fertilizer, 

 4 pounds to each tree, spreading in a 7-foot circle. 



Fertilizer added May 7, 1908 ; second application, July 7, 1908. 



lio. 10. — One gallon carbolineum mixed with 20 pounds of flour, then 2.5 

 gallons water added to make emulsion ; sprayed 72 trees, 48 of which were 

 used for experiments 11 and 12 to get value of fertilizers. 



Sprayed whole tree April 10, 1908 ; sprayed trunks and limbs below foliage 

 July 6, 1908. 



ISio. 11. — Used 24 trees of experiment 10, and added barnyard manure, spread- 

 ing it about tree in 7-foot circle. 



First application, April 10, 1908 ; second application, July 7, 1908. 



ISlo. 12. — Used 24 trees of experiment 10, and added 4 pounds of commercial 

 fertilizer to each tree, spreading it in 7-foot circle about tree and harrowing in. 



First application, April 10, 1908; second application (3 pounds commercial 

 fertilizer), July 6, 1908. 



iVo. 13. — Used 1 gallon carbolineum, emulsifying it with 4 pounds soap (dis- 

 solved in 4 gallons of water), and diluting the whole to 8 gallons; sprayed 144 

 trees, 96 of these to be used in four more experiments. 



Application made April 10, 1908. 



l<Io. l-i. — Used 48 trees of plat 13. Sprayed twice. 



First application, April 10, 1908 ; second application, July 6, 1908. 



No. 15. — This was to have been a third spraying, but was found unneces- 

 sary on account of absence of beetles. 



No. 16. — Used 24 trees of experiment 13. Barnyard manure (to get value of 

 fertilizers) spread about trees in a 7-foot circle. 



P'irst application, April 10, 1908 ; second application, July G, 1908. 



No. 17. — Used 24 trees of exi)eriment 13. Commercial fertilizer added, 4 

 pounds to each tree, spread in a 7-foot circle to get value of fertilizer. 



First application, April 9, 1908; second application, July 3, 1908 (3 pounds 

 fertilizer). 



No. 18. — Sprayed 6 trees with pure carbolineum without seeming injury to 

 the trees. 



Application made April 9, 1908. 



No. 19. — Used 25 pounds of lime, 15 pounds sulphur, G pounds resin, 3 pounds 

 arsenate of lead, and 50 gallons of water. Applied the mixture with a brush 

 to trunks and large lim-bs of 6 trees. 



Application made April 17, 1908. 



No. 20. — Same as experiment 19, plus barnyard manure. Two of 6 trees in 

 experiment 19 used. 



Application made April 17, 1908. 

 • No. 21. — Same as experiment 19, plus coujmercial fertilizer. Two of 6 trees 

 In experiment 19 used. 



Application made April 17, 1908. 



No. 22. — One gallon carbolineum, 1 gallon lard, and 25 pounds resin. Painted 

 trunks and larger limbs of 5 trees. 



Application made April 17, 1908. 



No. 23. — One bushel tobacco stems boiled for one hour in 4 gallons of water; 

 one-half bushel stone lime and 4 quarts salt added; one-half pint crude carbolic 

 acid used in each 12 quarts of the liquid. All gum and .rough bark scraped from 

 the trees and the paint put on with a broom. 



Applied the mixture to 72 trees April 22, 1908. 



