412 



INDEX 



Plowing, deep, 298 



fall, 298 



repacking after, 299 



spring, 298 

 Plum, acreage map, 227 



American, 228 



brown rot of, 231 



curculio, 217 



exposure, 228 



Golden Beauty, 229 



harvesting, 230 



insect enemies of, 231 



Milton, 229 



orchard culture, 230 

 starting, 229 



pruning, 229 



Simon, 228 



types and varieties, 228 

 Plums, propagation of, 51, 60 



section on, 227 



soils for, 227 



stocks for, 51 



uses of, 231 

 Poison sprays, 

 Pollen, how carried, 13 

 Pollination and bagging, 31 



artificial, 31 



by insects, 12, 13, 20 



by wind, 13 



cross, 12, 13 



methods of, 11, 20 



self, 11, 12, 13 



tools for, 31 



underground, 13 

 Pomelo, see grapefruit, 282 

 Pop-corn, 122 

 Potash, sources of._294 

 Potassium, 6 



forms, 395; properties, 9 



permanganate, 251, 306 



sulfide, 306 

 Potato, project, 143 



seed, quantity of, 38 



varieties and types, 393 



yields, 28, 393 

 Potatoes, Burbank, 135 



chapter on, 132 



Cobbler, 135 



culture of, 137, 144 



cutting, 134 



dusting, 144 



fertilizer for, 133, 140 



good and poor seed, 24 



harvesting, 139 



improving, 28 



Irish, 132 



planting, 136 



Potatoes, rate of planting, 135-6, 144 



seed, 134, 144 



soils for, 132, 140 



spraying, 138 



sprouting seed, 136-7 



storing, 139, 144 



sweet, 140 



treating for scab, 136, 144 



varieties, 134 

 Pot layering, 47 

 Prepotency, 23 

 Prickly lettuce, 350 

 Project, close of each chapter 



bush fruit, 269 



fertilizer, 301 



forest, 365 



garden, see each month 



garden, 79, 130 

 score card, 78 



grape, 251 



home grounds, 382 



in crop growing, 301 



in drainage, 154 



in soil management, 301 



orchard, 192, 221, 232, 346 



spraying, 327 



strawberry, 240 



weed, 354 



with potatoes, 143 

 Prong-budding, 52 

 Propagation, by true roots, 37 



by underground parts, 33 



of apples, 53, 55, 60 



of avocado, 278 



of bulbous plants, 34 



of bush fruits, 269 



of cherries, 51, 60, 224 



of cranberries, 268 



of mangoes, 276 



of olives, 273 



of oranges, 280 



of peaches, 50, 60 



of pineapples, 274 



of plants, 10, 33 



of plums, 51, 60 

 Properties of phosphorous and potas- 

 sium, 9 

 Props for trees, 179 

 Protection of blackberries, 262 



of cranberries, 267 



of raspberries, 254 

 Pruning, blackberries, 261 



before planting, 177 



currants, 264 



exercises, 346 



good and bad, 182 



grapes, 243 



