Contents 



Page 



Control of environment 2 



Greenhouses 2 



Growth chambers 3 



Seed germinators 4 



Important factors for plant growth 4 



Light 5 



Temperature 6 



Relative humidity 6 



Growth media 6 



Nutrition 6 



Germination of seed 8 



Method 1 8 



Method 2 8 



Transplanting 11 



Culture techniques 12 



Containers 12 



Aeration 12 



Subirrigation 13 



Nutrient solution 13 



Techniques for specific plants 14 



Literature cited 16 



Index of plants 17 





Trade names and names of commercial organizations are used in this publication solely for 

 the purpose of providing specific information. Mention of a trade name or manufacturer does 

 not constitute a guarantee or warranty of the product by the U.S. Department of Agriculture 

 or an endorsement by the Department over other products not mentioned. 



WASHINGTON, D.C. ISSUED DECEMBER 1972 



For sale by the Superintendent of Documents, U.S. Government Printing Office 



Washington, D.C. 20402 - Price 30 cents 



Stock number 0100-02657 



