)24 



On the Growth of Barley by different Manures, Sfc, 



Table XVIII. — Showing, in Lbs., the Fresh Produce per Acre, the Nitrogen per 

 Acre iu Produce, the Nitrogen per Acre in Increase by Nitrogenous Manure, 

 and the Nitrogen PiEcovered, or not Recovered, in Increase, for 100 supplied iu 

 Manure. 



Mean Produce per 

 Acre, lbs. 



Corn. Straw. Total 



Nitrogen per Acre, in 

 Mean Produce, lbs. 



Com. Straw. Total 



Nitrogen per Acre, in 

 Mean Increase, lbs. 



Com. Straw. Total 



For 100 Nitrogen in Manure. 



Nitrogen 

 Recovered in Increase. 



Corn. Straw. Total 



Not 

 Reco- 

 vered 

 in In- 

 crease. 



-With Ammoniacal Salts, giviiiii jier Acre about 41 lbs. Nitrogen (ileaiis of 

 Plots 8, 9,10, and 11). 



Series 3. 



-With Ammoniacal Salts, giving per Ac»-e about 82 lbs. Nitrogen (Moans of 

 Plots 1:3, 15, 16, and 17). 



Series 4. 



-With Rape-Cake, giving per Acre 82-100 lbs. Nitrogen (Means of 

 Plots 14, 18, 19, and 20). 



With Nitrate of Soda, giving per Acre about 41 lbs. Nitrogen (Plot 7). 



lK-i:{-7 2364 2862 5225 32 



10-88 43-74 11-22 4-03 15-25 27-4 9-8 37-2 62-8 



With Nitrate of Soda, gi^-ing per Acre about 82 lbs. Nitrogen (Plot 12). 



1 ".1:1-7 2666 r532 



43-46 18-37 61-83 2rS2 11-52 33-34 26-6 14-0 40-6 ST) 



