Illustrations 11 



ILLUSTRATIONS 



Page 



Wash through deep soil 16 



A compact orchard community 25 



Diagram of orchard planted in squares 28 



Diagram of orchard planted in triangles 30 



Diagram of an orchard planted with "fillers" 39 



Troutman oil burning heaters 51 



Filling "Ideal" coal burning heaters 55 



Peaches at right stage for thinning 65 



Apples at right stage for thinning 66 



Interior peach packing shed 90 



A nicely faced barrel of apples 93 



Apples are usually barreled in the orchard 94 



General appearance Hamilton grading machine 99 



Upper end of the machine 100 



The belts of the grader 101 



Looking down on the belt 103 



Four tier apples packed "straight." 104 



Beginning the pack 107 



Finished box, 4^ tier apples 108 



Starting the straight and diagonal pack 109 



Barrel spray outfit 112 



Power sprayer in operation 115 



High pressure spraying machines and refilling tank... 117 

 Convenient arrangement for mixing spray material. .. .120 



Woolly aphis : 135 



Galls produced by woolly aphis 136 



Codling moth . 140 



Plum curculio . ..142 



