90 



The Bulletin. 



will mean. It has beeu but a few days before the writing of this that a 

 farmer said to me: "I expect to save $200 on my fertilizer bill next year by 

 the better application of fertilizers. The experiment which I have carried on 

 cost me no extra money and it has been the most important subject of interest 

 in the neighborhood." 



With an understanding of what has been said, we can the better compre- 

 hend the home mixing of fertilizers and why it is better for the farmer to 

 mix his fertilizers on the farm. 



By referring to the accompanying chart you will notice that we have for 

 an example the 8-2-2 fertilizer — not because it is best, but because it is used 

 more than any other. We, of course, advise higher grades than this. The 

 charts are largely self-explanatoi-y. 



HOME-MIXlNG FERTILIZER. 

 (Chakt No. 1.) 

 Phosphate. Ammonia. Potash. 



8 2 2 lbs. plant food in 100 lbs. fertilizer. 



20 



160 



40 



40 



lbs. in a ton of fertilizer. 



Plant Food Needed. Materials Used. 



IGO lbs. Phosphoric Acid requires 1,000 lbs. 16% Acid Phosphate. 



.„ ,, . . (20 requires 105 lbs. Nitrate of Soda. 



40 lbs. Ammonia. .. j ^q requires 250 lbs. Cotton-seed Meal. 



40 lbs. Potash requires SO lbs. Muriate of Potash. 



240 lbs. Total. 



1,435 lbs. Total. 



Materials. 



(Chart No. 2.) 



16 % Acid Phosphate .$15.00 a ton. 



8 % Cotton-seed Meal 32.00 a ton. 



19 % Nitrate of Soda 50.00 a ton. 



50 % Muriate of Potash 45.00 a ton. 



121/.% Kainit 12.50 a ton. 



Cost. Element Furnished. 



Phosphorus. 



Nitrogen. 



Nitrogen. 



Potassium. 



Potassium. 



8-2-2. Cost. 



1,000 lbs. Acid Phosphate $ 7.50 



250 lbs. Cotton-seed Meal 4.00 



105 lbs. Soda 2.55 



80 lbs. Potash l.SO 



8-.'f-^. Cost. 



1,000 lbs. Acid Phosphate $ 7.50 



500 lbs. Cotton-seed Meal. . . . 8.00 



210 lbs. Soda 5.25 



160 lbs. Potash 3.00 



1,435 lbs. Fertilizer $15.85 1,870 lbs. Fertilizer $24.35 



565 lbs. Filler. 130 lbs. Filler. 



2,000 lbs. 2.000 lbs. 



Commercial 8-2-2 $19.50 Commercial 8-4-4 $30.00 



Home Mixed 8-2-2 15.85 Home Mixetl 8-4-4 24.35 



Saved $ 3.65 



Saved $ 5.65 



It will l)o uoticf^l that there are 8-|-2+2 or 12 pounds of plant food in 100 

 pounds of this fertilizer. Of course, there are 240 pounds or twenty times as 

 much in a ton. This amount is divided among the three plant foods that are 

 usually deficient in the soil, viz., phosphoric acid, nitrogen or ammonia, and 

 potash. ' To supply these amounts we use the ingretlients indicated at the top 

 of chart No. 2. This shows the percentage of plant food, the name of the 

 ingredient, the cost and element of plant food furnished. 



