606 



INDEX 



Nitrogen, and carbohydrate rela- 

 tionships, 221 

 as related to tree growth and 



fruit bud formation, 220 

 for orchard soils, 433 

 Non-bearing apple trees in U. S,, 

 164 



Non-legumes for cover crops, 420 

 Notching and ringing, effects of, 

 219 



Nozzles, spray, 322 

 Nursery, shield budding in> 377, 

 379 



whip grafting in, 375 

 Nursery trees, heeling in on arrival, 

 189 



Nutrient solutions, strawberries, 

 479 



Nutrition, tree, 217 

 O 



Oil emulsion, 279 



preparation, 289 

 Oil sprays, 278 



proportions for use, 281 

 Open-head tree, 235 

 Operating common storage, 63 

 Orchard, cross-pollination and se- 

 lection of varieties, 178 



determining size of enterprise, 

 165 



elevation as factor in selecting 



land for, 170 

 elevation and slope as factors in 



selecting land for, 170 

 establishing, 162 

 intercrops, 416 



location as affected by tempera- 

 ture, rainfall, and bodies 

 of water, 163 



map of, after planting, 196 



Orchard, practices as influenced by 

 nitrogen-carbohydrate re- 

 lationships, 222 



removing trees from, 267 



season of planting, 173 



selecting land for, 169 



selecting region for, 162 



size as affected by supplemental 

 farm enterprises, 168 



size as determined by market, 

 16f 



soil as factor in selecting land 

 for, 171 



systems of soil culture for, 411 

 treatment for cross-pollination, 

 407 



■use of fillers in planting, 179 

 varieties for planting, 174, 176 



Oriental fruit moth, 356 



Own rooted trees, 376 



P 



Packages, for apples, 18 



determining type to use, 17 

 marking, 23 

 specifications of, 19 

 for peaches, 115 

 for pears, 121 

 Packing, apple, 16 



determining grades and sizes 



to be made, 21 

 determining where to do, 30 

 in barrels, 33, 142 

 cherry, 132 

 grapes, 522 



house, apple, operated coopera- 

 tively, 31 

 owned by grower, 30 

 requirements, 32 

 in baskets, 43 



