560 



Tabulated Results of Analyses 

 Q 1.— ROTATION OF CROPS. 



Produce 

 per 

 Acre. 



Soluble Ingredients in soil 



Turnips< 



J 



Barley 



Clover 



Wheat*! 



Bulb 



Tops . 



Grain 



Straw 



1st Cut. 

 Hay. 



After-] 

 math. 



Grain 



Straw & 

 Chaff. 



General Division. 



In Natural State. 



Authority- 



Richardson 



llichardson 

 Richardson 

 Thomson 

 Sprengel 

 Way . . 

 Way . . 

 Way . . 

 Way . . 



Total Ingredients abstracted from soil and 

 atmosphere. 



Ditto, restored to soil in manure 



Total loss to soil in 4 years 



Average yearly loss per acre 



5 Cwt. Oilcake contains . 



Way . 



72840 22137 



3865 



ENTIRE COMPOSITION 



Organic or 



Ultimate Elements. 



Authority. 



SlOi 



1G96 



llichardson 



Richardson 



Thomson . 



Boussingault 

 and Payen. 



Boussingault 

 Boussingault 

 Boussingault 

 Boussingault 



Way . . 



560 



919 



1619 



Proximate 



424 21 25 



Azotized. 



Authority. 



Johnston . 



Hermbstadt 



Johnston . 



Johnston . 



Gregory . 



Johnston . 



Frooaterg . 1 



I 

 I 



a. There is a slight error in this table, which, althoug-h of no consequence in a hypothetical case, ought to be corrected 

 per acre.-— —6. This first rotation is commonly called the Norfolk Foiis-Coursf?, ajad.i^ 



