CONTENTS Vl 



Piw 



CHAPTER y 



SEEDS AND SEED GROWING . 93 



Importance of planting good seed Breeding and selec- 

 tion Commercial seed growing Growing seeds at home 

 Harvesting, cleaning and curing Preservation of seeds 

 Buying seeds Seed guarantees Change of seed Nov- 

 elties Old versus new seed Seed testing The longevity 

 of seeds. 



CHAPTER XI 

 CONSTRUCTION OF HOTBEDS 103 



The necessity of glass The extent used Location and 

 arrangement The pit The frame Sash Manure and 

 its preparation Filling the pit Other types of manure 

 hotbeds Heating frames by means of flues Heating with 

 steam and hot water The uses of hotbeds. 



CHAPTER XII 

 CONSTRUCTION OF COLD FRAMES 114 



Location and arrangement Grading The frame 

 Soil of the cold frames Heating The use of cold frames 

 Forcing boxes. 



CHAPTER XIII 



CONSTRUCTION OF GREENHOUSES 119 



Extent used Advantages The size Location and posi- 

 tion Materials used in construction Semi-iron type of 

 construction Forms of greenhouses Walls Roof con- 

 struction Glass Glazing and painting Ventilators- 

 Beds, benches and walks Steam versus hot water heating 

 Pipes and piping The boiler The workroom. 



CHAPTER XIV 

 SEED SOWING 130 



Soil selection and preparation Moisture conditions 

 Proper soil temperature When to sow Quantity of seed 

 to sow Thinning Depth of sowing Soaking seeds 

 Broadcasting or drilling Hand sowing Sowing with 

 machines Firming the soil Watering after sowing- 

 Shading the seed bes 1 



