280 AGRICULTUEAL EXPERIMENT STATION. [Jan. 



Boxes 9, 10, 11, 12, 14 and 15. 



Per Cent. 



Potassium oxide, 0056 



Phosphoric acid, 0056 



Kitrogen, 0014 



Below is given a statement of the various fertilizer mixt- 

 ures employed, the amounts stated being for one thousand 

 pounds of soil : — 



Box 1. 



512 grams muriate of jDotash. 

 424 grams dissolved bone-black. 

 620 grams dried blood. 



Box 2. 

 512 grams muriate of potash. 

 424 grams odorless phosphate. 

 620 grams dried blood. 



Box 3. 

 612 grams sulphate of potash. 

 424 grams bone-black. 

 620 grams dried blood. 



Box 4. 



512 grams sulphate of potash. 

 424 grams odorless phosphate. 

 620 grams dried blood. 



Box 5. 



1,440 grams potash-magnesia car- 

 bonate. 



136 grams double sui^erphos- 

 phate. 



620 grams dried blood. 



Box 6. 



1,440 grams potash -magnesia car- 

 bonate. 

 424 grams odorless phosiDhate. 

 620 fframs dried blood. 



Box 7. 

 512 grams sulphate of potash. 

 136 grams double superphos- 

 phate. 

 424 grams nitrate of soda. 



Box 8. 



1,440 grams potash-magnesia car- 

 bonate. 

 136 grams double superphos- 

 phate. 

 424 grams nitrate of soda. 



Box 9. 

 544 grams double superphos- 

 phate. 

 1,440 grams potash-magnesia car- 

 bonate. 

 424 o-rams nitrate of soda. 



Box 10. 

 580 grams jihosphate of ammo- 

 nia. 

 512 grams sulphate of potash. 



Box 11. 

 800 grams phosphate of potash. 

 812 grams sulphate of ammonia. 



Box 12. 

 544 grams double superphos- 

 phate. 

 312 grams sulphate of ammonia. 

 512 grams muriate of potash. 



