422 



Index 



Phosphoric acid, a plant-food to be 

 supplied, 151. 



Phosphorus, effect of, on ripening of 

 fruit, 167 ; effect of, on j-ield, 168 ; 

 importance as a plant-food, 151. 



Pickers, 397. 



Picking baskets, 394; collection of, 

 395 ; distribution of, 395. 



Picking fruit : degree of maturity for, 

 396; for storage, 410; frequency 

 of, 395 ; organization for, 394, 

 395. 



Pilgrim fathers, mentioned, 4. 



Pit-planter, 51. 



Pits: bedding. 52, 53; freezing of, 

 not essential, 54 ; grades of, 50, 

 51 ; handling, 51 ; planting, 51 ; 

 proportionate Bize of, 301 ; quan- 

 titj' required, 51 ; relative size 

 of, 301 ; sources of, 50 ; strati- 

 fication of, 52. 



Plant-food: amounts of, table show- 

 ing, 156 ; amounts removed in 

 ten years, 158, 160 ; elements 

 required, 149 ; elements to be 

 supplied, 151 ; needs not shown 

 by chemical analysis, 150 ; needs, 

 method of determining, 171 ; ratio 

 of, 156; relation of, to strength 

 of wood, 167. 



Planting pits, methods of, 51, 52, 

 53; times for, 51, 52, 53. 



Planting trees: age for, 62, 68; 

 crew for, 93 ; distances, 80 ; 

 dormant buds, 95, 96 ; holes for, 

 84, 85; laying off land for, 82, 

 83, 84; methods of, 51, 52, 53; 

 preparation of soil for, 77, 78 ; 

 systems of : alternate, hexagonal, 

 square, triangular, 79 ; String- 

 fellow method of, 93, 94 ; time 

 of, in northern latitudes, 71 ; in 

 middle and southern latitudes, 72 ; 

 in California, 74 ; in Missouri, 

 72, 73; in New Jersey, 73; in 

 Texas, 72. 

 Plum ciu-culio, 219. 

 Plum wee%dl, 219. 



Poison, arsenical, 218. 



Pomology, Division of, cited, 383. 



Potash, a plant-food element to be 

 supplied, 151 ; effect of, on ripen- 

 ing of fruit, 167; effect of, on 

 saeld, 167. 



Powden,'-mildew, 268. 



Powell, G. Harold, quoted, 387. 



PrecooUng fruit, reasons for, 406 ; 

 temperature for, 406. 



Preparation of soil for planting, 77, 78. 



Price, R. H., cited, 386 ; mentioned, 

 62. 



Principles of pruning, 178, 179. 



Production of peaches in different 

 countries: Africa, 23 ; Argentina, 

 20; Asia, 22; Austraha, 23 

 Austria-Hungary, 21 ; British 

 South Africa, 23; Canada, 19 

 Central America, 20; CMli, 20 

 Europe, 21 ; Formosa, 23 ; France 

 21 ; Germany, 21 ; Italy, 21 

 Japan, 22 ; Mexico, 20 ; Oceania 

 23 ; Persia, 23 ; Peru, 20 ; Russia 

 22; South America, 20; Spain 

 22; Tunis, 23; Turkey, 22 

 United Kingdom, 22; United 

 States, 18; Uruguay, 20; West 

 Indies, 20. 



Productivity, influenced by cultural 

 treatment, 97, 98; profitable pe- 

 riod of, 98, 99. 



Profits, factors influencing, 348, 

 349. 



Propagation of trees, 47. 



Propping limbs, 198. 



Protection of buds when budding, 

 59. 



Protection of trees when planting, 

 75, 92. 



Pruning: cost of, 340 ; desirable 

 types of, 197 ; different degrees 

 of, in different regions, 208, 209; 

 in summer, 199 ; legend of, in 

 tree- top, 190 ; objects of stated, 

 177; principles of, 178, 179; 

 recognized value of, 176 ; removal 

 of large limbs in, 179 ; roots when 



