86 



CHEMICAL MANURES. 



Second Year Beets. 

 Manure spread in autumn, 44,444 Ibs. 



In the spring : 

 Complete fertilizer No. 2, 533 Ibs. 



Composition : Quantity. Price. 



Acid phosphate of lime .................... 177 Ibs. $2.70 



Nitrate of potash ................. .......... .. 88" 5.23 



Nitrate of soda ............................... 133 " 5.91 



Sulphate of lime ............................. 133 " .25 



Total ...... . .............................. 533 Ibs. Cost... $1409 



Third Year-- Wheat. 

 Sulphate of ammonia ....................... 266 Ibs. $11.40 



Fourth Year Colza. 

 Complete fertilizer No. 6, 1155 Ibs. 



Composition : 



Acid phosphate of lime .................. 355 Ibs. $5.40 



Nitrate of potash .......................... 106 " 7.39 



Sulphate of ammonia ..................... 355 " 15.20 



Sulphate of lime ........................... 339 " .64 



Whole .................................. 1155 1H Cost... $28.63 



Fifth Year Wheat. 

 Ashes of straw and husks of colza 

 turned under by the first ploughing. 

 Sulphate of ammonia ....................... 266 Ibs. $11.40 



Sixth Year. 

 Sulphate of ammonia ....... . ............... 177 Ibs. $7.60 



Total expense .......... .. ..................................... $89.66 



Annual expense .............................................. $14.92 



Instead of commencing by a trial on a large scale, I prefer to use 

 the chemical fertilizers on a small field for the experiment, which 

 does not cost more than $1.68 to $2.11, and by means of which we 

 acquire positive facts in regard to the agents of fertility which the 

 soil especially requires, and the extreme limits the harvests can attain 

 on the land on which we wish to operate. 



PRESERVATION, PREPARATION AND SPREADING OF 

 CHEMICAL FERTILIZERS. 



As a general rule, chemical fertilizers must be kept in a dry place 

 a granary, for example. 



When you prepare the mixture of the products yourself, the opera- 

 tion, without being difficult, requires a certain amount of care. First, 



