EXPERIMENT STATION. 



663 



course was decided upon and carried out during the succeed- 

 ing season (1885). 



The entire field (A) was prepared, May 12, in a similar 

 manner as in preceding years for the planting of corn (see 

 Second Annual Kepoi-t, page 81). All except Plat 6 were 

 (Clark) corn. 



planted with 



Plat No. 0, 

 riat No. 1, 

 riat No. 2, 

 riat No. 3, 

 Plat No. 4, 

 Plat No. 5, 

 Plat No. 6, 

 Plat No. 7, 

 Plat No. 8, 



Plat No. 9, 

 Plat No. 10, 



Thrown out of the experiment. 

 ^ Twenty-five pounds of sodium nitrate ( = 

 ) to 4 lbs. of nitrogen). 



Nothing'. 



^ Tliirty pounds of dried blood (=. to 4 lbs. 

 ( of nitrogen). 

 Nothing. 



Twenty-five i:)ounds of ammonium sul- 

 l)hate (=: to 5 lbs. of nitrogen). 



Nothing. (Black Fallow.) 

 ^ Fifty pounds of dissolved bone-black (= 

 I to 85 lbs. of available phosiihoric acid). 



Nothing. 

 ^ Twenty-five pounds of muriate of potash 

 < (rr to from 12 to 13 lbs. of i^otassium 

 (^ oxide). 



48^ pounds of potash-magnesia sulphate 

 {zz: to from 12 to 13 lbs. of potassium 

 oxide) . 



The growth on the entire field was cut Sept. 5, and the 

 product of each plat stookcd by itself in the field for drying ; 

 it was housed Oct. 10, with the folio wins: results : — 



Amount "f Dry 



Com I'odilcr 



ob.ained. 



Fertilizer Applied. 



No. 1, 

 2, 

 3, 

 4, 

 5, 

 6, 

 7, 

 8, 

 9, 



10, 



480 

 310 

 350 

 300 

 3G0 



280 

 250 

 945 



845 



lbs. 



25 lbs. of sodium nitrate (=: to 4 lbs. of 

 nitrogen). 



Nothing. 



30 lbs. of dried blood (z= to 4 lbs. of ni- 

 trogen). 



Nothing. 



25 lbs. of ammonium sulphate (rz: to 5 

 ll)s. of nitrogen). 



Fallow. 



50 lbs. of dissolved bone-black (z=z to 8.5 

 lbs. of available phosphoric acid). 



Nothing. 



25 ll)s. of mun'ate of potash (i:: to from 

 12 to 13 lbs. of potassium oxiile). 



48| Ills, of j)()tash-magnesia sulpliate (=z 

 to from 12 to 13 lbs. of potassium oxide). 



