100 



Report of the Chemist of the 



Cost of One Pound of Plant-Food to Consumers. 



Lowest. Highest. Average 



Cents . 

 Nitrogen in 



Complete fertilizers ' 11.7 



Bone-meal 10 . 6 



Fish-scrap 10 . 9 



Nitrate of soda 12.'9 



Sulphate of ammonia 



Phosphoric acid in 



Complete fertilizers (available) 3.6 



Dissolved phosphates (available) 3.8 



Fish-scrap (total) 3.1 



Bone-meal (total) 3 



Phosphoric acid and potash mixtures (avail- 

 able) 5.3 



Wood-ashes (total) 4.3 



Potash in 



Complete fertilizers .*.... 3.75 



Kainit '. 



Muriate of potash 



Wood-ashes 5.4 



Potash and phosphoric acid mixtures 5 



Cents . 



Cent: 



PURCHASE OF PLANT-FOOD. 



The data contained in some of the preceding tables afford a good 

 basis for calling the attention of farmers to certain facts and for 

 making suggestions connected with the purchase of plant-food. 



(1) Farmers are advised, before purchasing, to obtain for them- 

 selves prices at which they can actually buy plant-food. It should 

 be kept in mind that the prices given as trade values in Station 

 bulletins are only averages and do not represent accurately all 

 conditions of the market without regard to time or place. Actual 

 trade values necessarily vary with localities and with different 

 times of the year. The true values to use in making a commer- 

 cial valuation of plant-food are those figures which represent the 

 actual prices at which the farmer can purchase the elements of 

 plant-food at a given time. Quotations should be obtained by 

 making inquiries of several manufacturers, asking at what prices 

 they will furnish the specific forms of plant-food that one wishes 



