80 



BULLETIN 479, U. S. DEPARTMENT OF AGRICULTURE. 



blood, it is well to warn against the use of any rich organic fer- 

 tilizers shortly before seed sowing. Ammonium hydroxide when 

 applied at the old Garden City Nursery was followed 3 or 4 weeks 

 later by the almost complete destruction of the seedlings, apparently 

 by damping-oil' fungi, although it is not absolutely certain that fungi 

 were responsible. 



COSTS OF OPERATIONS. 



The cost of nursery operations, which are reflected in the costs of 

 stock, are governed by so many conditions that they vary consider- 

 ably at different nurseries and from year 'to year. The different 

 elements which effect the cost have been pointed out in the foregoing 

 pages. With the bringing of all nurseries up to a good economic 

 capacity, with a gradual decrease of overhead charges, which in 

 some instances are at present rather high, and with still more im- 

 proved methods of nursery practice and familiarity with the differ- 

 ent species, it is expected that average costs can be considerably 

 reduced in the future. The following represent some of the actual 

 costs of past nursery operations : 



Operation. 



Cost per thou- 

 sand. 



Growing 1-0 stock 



Care of 2-0 stock 



Transplanting stock 



Care of transplants first year 



Digging, packing, and snipping of stock 



0.33 to $1.50 

 . 06 to . 50 

 .77 to 2.04 

 .18 to 1.03 

 .74 to 2.43 



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