CONTENTS. XV 



PAGE 

 CHAPTER XXXVI. 



Frost Protection 337-374 



Warnings Thermometers Thermostats Injurious 

 temperatures Effects of cold on the leaves Effects of 

 cold on the twigs Effects of cold on the trunk Effects 

 of cold on the fruit Conditions when most resistant 

 The insect factor The food factor Dormancy as a 

 factor Fertilizers and cultivation in relation to 

 dormancy Effects of the stock on the hardiness of the 

 top Hardy varieties Banking to save the trunks 

 Protecting the whole tree with earth Fires Kindling 

 The McKinney grove Coal and oil California exper- 

 iments Walls and fires Wind-breaks and water pro- 

 tection Irrigating MacFarland's tent Painter's tent 

 Sheds Florida experiences Results in California. 



CHAPTER XXXVII. 



Pruning Citrus Trees 375-392 



Pruning not always necessary High vs. low-headed 

 trees Pruning for insect treatment Pruning in relation 

 to die-back Pruning frozen trees Wiring sprouts from 

 frozen trees Pruning tools General remarks Time for 

 pruning Baronio system of lemon pruning Open-center 

 system of lemon pruning Other systems. 



CHAPTER XXXVIII. 



Pot Culture of Citrus Trees 393-398 



Stocks of potted trees Soil Size of pots Specimens 

 for flowers Varieties recommended Fertilizing Water- 

 ing Rest Insects. 



CHAPTER XXXIX. 



Handling the Citrus Crop 401-462 



Early experiences Time of picking Clippers Field 

 boxes Mr. Hart's field box Picking bags or baskets 

 Rattan baskets Ladders Field wagons Pickers and 

 picking Curing Washing Effects and need of cur- 

 ing Curing lemons California experience Lemon 

 packing-houses Methods of packing lemons Refrigera- 

 tion not practicable Grades of fruit Grading Time to 

 grade Sizers and sizing Packing Mr. Bean's expert- 



