58 



HATCH EXPERIMENT STATION. 



[Jail. 



Nitrogen Experiment. — Fertilizer Treatment and Yields of Oats, 



1898. 



Fertilizers. 



Weight 



of 



Oats 



(Pounds), 



Weight 



of 



Straw 



(Pounds). 



Bushels i^'f^^;°^ 



Oats ( '^"f"' 

 Der\cre PerAere 

 per Acre, ^pounds). 



( I Barn-yarn manure, 

 Plot 0, ] i Potash-magnesia sulphate, 

 Dissolved bone-black, . 



Nitrate of soda, . 

 Potash-magnesia sulphate. 

 Dissolved bone-black, . 



Plot 1, 



Plot 2, ■ 



Plot 3, 



Plot 4, 



Plot 5, 



Plot 6, ■ 



Plot 7, 



Plot 8, 



Plot 9, 



PlotlO, 



Nitrate of soda, . 

 Potash-magnesia sulphate. 

 Dissolved bone-black, . 



Dried blood, 

 Muriate of potash. 

 Dissolved bone-black, . 



Muriate of potash. 

 Dissolved bone-black, 



Ammonium sulphate, . 

 Potash-magnesia sulphate. 

 Dissolved bone-black, . 



Ammonium sulphate, . 

 Muriate of petash. 

 Dissolved bone-hlack, . 



Muriate of potash. 

 Dissolved bone-black, 



Ammonium sulphate. 

 Muriate of potash. 

 Dissolved bone-black, 



Muriate of potash. 

 Dissolved bone-black, . 



Dried blood. 



Potash-magnesia sulphate. 

 Dissolved bone-black, . 



800.0 ; 



32.0 

 18.0] 



29.0; 

 48.5 



50.0 ; 



29.0 

 48.5 

 50.0 



43.0 

 25.0 

 50.0 



25.0, 

 50.0 \ 



22.5 

 48.5 

 50.0 



22.5 

 25.0 

 60.0 



25.0 I 

 50.0 1 



22.5; 

 25.0 

 60.0 I 



25.0 I 

 50.0 \ 



43.0 

 48.5 

 40.0 



76.5 



Average of no-nitrogen plots, 



Average of muriate of potash plot (as far as comparable) , 

 Average of sulphate plots (as far as comparable), 



21.40 

 32.05 

 35.20 



1,250.0 

 1,500.0 

 1,750.0 

 1,550.0 



1,550.0 



900.0 

 1,595.0 

 1,416.7 



It is important to point out that the oats on the several 

 plots ripened at different times. An eftbrt was made to 

 harvest the crop upon all at the same stage of maturity. 

 With this end in view, plots 1, 2 and 5 were cut on July 29 ; 

 plots 6, 8, 9 and 10, on July 30; and the balance on 

 August 2. Meanwhile, there had occurred the phenome- 

 nally heavy rain and wind of July 30, p.m., and numerous 

 other heavy showers ; moreover, the weather continued per- 



