CHEMICAL MANURES. 85 



Fourth Year Wheat. 



The acre. 

 Qnnntity. Pric- 1 . 



Sulphate of ammonia 177 Ibs. $7.60 



Fifth Year Oats. 



Sulphate of ammonia 266 Ibs. $11.40 



Totalexpense $55.72 



Rotations of Five Years, including Colza, Beets, Wheat, Clover, Wheat. 



First Year Colza. 

 Manure, 44,444 Ibs. 



Complementary chemical fertilizer : 

 Sulphate of ammonia 266 Ibs. $11.40 



Second Year Beets. 

 Incomplete fertilizer, condensed, No. 2, 711 Ibs. 



Composition : 

 Ashes of straw and husks of colza. 



Acid phosphate of lime 266 Ibs. $4.05 



Nitrate of potash 177 " 10.47 



Nitrate of soda 133 " 4.40 



Sulphate of lime 134 " .25 



Total 710 Ibs. Cost... $19.17 



Third Year Wheat. 

 Sulphate of ammonia 266 Ibs. $7.60 



Fourth Year Clover. 

 Incomplete fertilizer No. 2, 887 Ibs. 

 Composition : 



Acid phosphate of lime 355 Ibs. $5.40 



Nitrate of potash 177 " 10.47 



Sulphate of lime 355" , .67 



Total 887 Ibs. Cost... $16.54 



Fifth Year Wheat. 



Sulphate of ammonia 177 Ibs. $7.60 



Totalexpense $62.31 



Annual expense $12.56 



Rotation of Six Years, comprehending Flax, Beets, Wheat, Colza, 

 Wheat, Oats, Rye or Barley. 



First Year Flax. 

 Incomplete fertilizer No. 2, 887 Ibs. 

 Composition : 



Acid phosphate of lime 355 Ibs. $5.40 



Nitrate of potash 177 " 10.47 



Sulphate of lime 355 " .67 



Total... . 887 Ibs. Cost... $16.54 



