228 STATE BOARD OF AGRICULTURE. 



coilnty: "L. R. Williams. Ot.scpo Luke. Otsof,'o county: fA. E. Gregory, Dowagiac; Par- 

 incleo Farm, Moridian, Jngham county; College Farm, Agricultural College, Ingham 

 county. 



This experiment aimed to test several soils, generally pretty well exhausted, to 

 determine which of the three fertilizing elements, nitrogen, phosphpric acid and potash, 

 were most needed, and what efTcot their anplicalion would have on the growing crop. 

 The plan is not a new one, it having been i)ublishcd by the Ollice of Experiment Stations 

 some twelve years ago in Circular No. 7, pages twenty-four to twenty-eight, and 

 adopted for this kind of work by a large number of experiment stations. 



In the table below the kind of soil is indicated and the kind and amount of fertilizers 

 applied. The results on the College farm and in the Walton. Phillips, Lawrence and 

 Gregory experiments are given. A complete result of exi)erimcnts with other crops 

 will be* published in another bulletin. 



• Beets were not analyzed. 



t Kxiieriment conducted in the extreme southern part of Van Buren county. 



