EXTENSION DIVISION. 285 



TABLE NO. 2.— FERTILIZER TRE.\TMENTS FOR MUCK PROJECTS SUPPORTING GENERAL FARM CROPS. 1922. 



TABLE 3-CELERY ON MUCK— HUDSONVILLE— 1921. 



(1) Returns from celery calculated at 80 cents per case. 

 N — Nitrate of soda. 

 P — Acid phosphate. 

 K — Muriate of potash. 

 — No fertihzer. 



During the season of 1922, co-operative demonstrations are being con- 

 ducted on the celer-y fields on several different muck deposits, with the 

 idea of determining both the kinds of fertilizer needed and the rate of 

 application of the different fertilizers which will give an optimum return 

 on the investment. In one case a study is being made of the effect of 

 overhead irrigation on the benefits secured by fertilization. Methods of 

 fertilization of the crop by surface application and by application below 

 the plant are also being compared. 



The celeiy projects of 1022 are located on the farms of Born Bros, and 

 C. iS'chneirla of Bay Co., Wm. Kooienga, Kent Co., M. A. Wright, Huron 

 Co., J. Bloemberg, H. Kiel and H. Kingerwole of Ottawa Co. and A. E. 

 Sutton, Washtenaw Co. On the farms of Wm. Kooienga, Kent Co. and M. 

 A. Wright, Huron Co., onion projects have been estahlished while on the 



