166 



TALKS ON MANURES. 



acre. If we can depend on the figutes, we must conclude that there 

 were nearly eight times as much clover-roots per acre in the Ger- 

 man field, as in the remarkably heavy crop of clover in the English 

 field No. 5. 



" Yes," said the Deacon, " but the one was 10^ inches deep, and 

 the other only six inches deep ; and besides, the German experi- 

 ment includes the ' stubble ' with the roots." 



The Deacon is right ; and it will be well to give the complete 

 table, as published in the American Agriculturist: 



TABLE SHOWING THE AMOU.NT OF ROOTS AND 8TUBBLB LEFT PER ACRE BY DIFFEB- 

 BNT CROPS, AND THE AMOUNT OF INQRBDIENT8 WHICH TUET CONTAIN PER ACRE. 



Lacera (4 years old) 



Red-Clover (1 year old)... 

 Ettparsettc ( 3 years old). 

 Rye. 



Swedish Clover. 



Rape 



Oats 



Lupine 



Wheat 



Peas 



Serradella 



Buckwheat 



Barley 





O-SS 



1,201.6 

 1,919.9 

 1,()2:}.4 

 1,747.8 

 974.6 

 622 3 

 1,444.7 



.'.."iO. 

 1,089.8 

 670.7 

 .545.6 

 465.5 

 3!>1.1 



CONTENTS OF THB A8HEB, IN POtTNOS, PER ACRE. 



It may he presumed, that, while these figures are not absolutely, 

 they are relntivcly, correct. In other words, we may conclude, 

 that red-clover leaves more nitrogen, phosphoric acid, and potash, 

 in the roots and stubble per acre, than any other of the crops named. 



