166 



TALKS ON MANURES. 



acre. If we can depend on the figures, 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 10J 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 AMOUNT OF ROOTS AND STUBBLE LEFT PER ACRE BY DIFFER- 

 ENT CROPS, AND THE AMOUNT OF INGREDIENTS WHICH THEY CONTAIN PER ACRE. 



CONTENTS OF THE ASHES, IN POUNDS, PER ACR2. 



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

 they are relatively, 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. 



