184 AGRICULTURAL TEXT-BOOK. 



410. Ultimate ANALYSIS of Red Clover (a?) (Bous& mgault,) one part 

 of clover hay after complete desiccation weighed 0.790 : one part of 

 dried hay left, 0.078 of ash. 



I. n. 



Carbon, . 47.53 47.19 



Hydrogen, - - 4.69 5.33 



Oxygen, . . 57.96 37.66 



Nitrogen, - . - 2.06 2.06 



Ash, . 7.76 7.76 



100.00 100.00 



A surface of 120 square yards gave 44 Ibs. roots, weighed 

 after being thoroughly dried in the sun ; when pulverized after 

 drying in the stove the weight was reduced to 37 Ibs. When 

 perfectly dry one acre would furnish 1428 Ibs. of residue. 

 Composed as follows: 



Carbon, ... 43.4 per cent. 



Hydrogen, - - 5.3 &quot; 



Oxygen, ... 36.9 &quot; 



Nitrogen, - - 1.8 &quot; 



Salts and earth, - - 12.6 &quot; 



100.00 



The same writer shows the amount of clover hay obtained 

 from, and clover roots left in the soil of one acre with the ele 

 mentary matter of the latter, which forms manure when plowed 

 under, as follows : 



Produce of hay per acre in 1839, - - 2292 Ibs. 



do dried at 212 =&amp;gt;F., - 1810 Ibs. 



Roots dried in the sun, per acre, 1833 Ibs. 



do do atllOF., - 1418 Ibs. 



These roots consisted of, per acre, 



Carbon, - - 615 Ibs. 



Hydrogen, . 75 Ibs. 



Oxygen, - - 523 Ibs. 



Nitrogen, - .26 Ibs. 



Salts and earth, - - - 178 Ibs. 



1417 Ibs. 



