254 
SEED TRADE BUYERS GUIDE 
INOCULANTS AND PLANT FOODS 
INOCULANTS 
Agricultural Laboratories, Inc, 
Columbus, Ohio 
Dickinson Co., The Albert 
Chicago, Ill. 
(See Adv. on Page 15) 
Edwards Laboratory, The 
Lansing, Mich. 
Nitragin Co., The 
Milwaukee, Wis. 
(See Adv. on Page 257) 
Sewerage Commission 
Milwaukee, Wis. 
(See Adv. on Page 25) 
Urbana Laboratories 
Urbana, Ill. 
(See Adv. on Page 254) 
PLANT FOODS 
Agricultural Laboratories, Inc. 
Columbus, Ohio 
Bohlender Plant Chemicals, Inc. 
Tippecanoe City, Ohio 
(See Adv. on Page 283) 
Cams Chemical Co. 
La Salle, III 
(See Adv. on Page 237) 
Du Pont de Nemours & Co., Inc., E. I. 
Grasselli Chemicals Div. 
Wilmington, Del. 
Garden Hose Insecticide Co. 
Kalamazoo, Mich. 
Natural Guano Co. 
Aurora, Ill. 
(See Adv. on Page 235) 
Plantabbs Corporation 
Baltimore, Md. 
(See Adv. on Page 253) 
Pulverized Manure Co. 
Chicago, Ill. 
(See Adv. on Page 235) 
Sewerage Commission 
Milwaukee, Wis. 
(See Adv, on Page 25) 
Swift & Co. 
Chicago, Ill. 
Tennessee Corporation (Loma) 
New York, N. Y. 
(See Adv, on Pages 17 and 235) 
Universal Crushed Shell Co. 
Muscatine, Iowa 
(See Adv. on Page 303) 
Williamson, Inc., Garfield 
New York, N. Y. 
Wilson, Inc., Andrew 
Springfield, N. J. 
(See Adv. on Page 285) 
\ 
INOCULATE ALL LEGUMES 
with 
Superior 
Strains 
In bottles 
Fresh 
Strong 
and cans 
Backed by Laboratory, Greenhouse, and Field Research 
Increase Your Inoculation Sales Permanently with 
Urbana Culture and Urbana Humus Inoculator 
On All Approved Lists 
^ Protect Seed Investments 
Our Superior Strains — Increase Yields 
Improve Quality 
THE URBANA LABORATORIES 
Urbana, Illinois 
Directory Section Index—Pages 4-6-8-10 
