1899.] 



PUBLIC DOCUMENT — No. 33. 



137 



Plats 

 (One-tenth A.ore , 



Annual Supply of Manurial Substances. 



Plat 9, 

 Plat 10, 



29 lbs. sodium nitrate (=4 to 6 lbs. nitrogen), 48.5 lbs. potash-magnesia 

 sulphate (=12 to 18 lbs. potassium oxide), and 50 lbs. dissolved bone- 

 black (=8.5 lbs. available phosphoric acid). 



43 lbs. dried blood (=5 to 6 lbs. nitrogen), 25 lbs. muriate of potash 

 (=12 to 13 lbs. potassium oxide), and 50 lbs. dissolved bone-black 

 (=8.5 lbs. phosphoric acid). 



25 lbs. muriate of potash (= 12 to 13 lbs. potassium oxide) and 50 lbs. 

 dissolved bone-black (= 8.6 lbs. available phosphoric acid). 



22.5 lbs. ammonium sulphate (=4 to 5 lbs. nitrogen) 48.5 lbs. potash- 

 magnesia sulphate (=12 to 13 lbs. potassium oxide), and 50 lbs. dis- 

 solved bone-black (=8.5 lbs. available phosphoric acid). 



22.5 lbs. ammonium sulphate (=4 to 5 lbs. nitrogen), 25 lbs. muriate of 

 potash (=12 to 13 lbs. potassium oxide), and 50 lbs. dissolved bone- 

 black (=8.5 lbs. available phosphoric acid). 



25 lbs. muriate of potash (=12 to 13 lbs. potassium oxide) and 50 lbs. 

 dissolved bone-black (=8.5 lbs. available phosphoric acid). 



22.5 lbs. ammonium sulphate (=4 to 5 lbs. nitrogen), 25 lbs. muriate of 

 potash (= 12 to 13 lbs. potassium oxide), and 50 lbs. dissolved bone- 

 black (=8.5 lbs. available phosphoric acid). 



25 lbs. muriate of potash (=12 to 13 lbs. potassium oxide) and 50 lbs. 

 dissolved bone-black (=8.5 lbs. available phosphoric acid). 



43 lbs. dried blood (=5 to 6 lbs. nitrogen), 48.5 lbs. potash-magnesia 

 sulphate (= 12 to 13 lbs. potassium oxide), and 50 lbs. dissolved bone- 

 black (=8.5 lbs. available phosphoric acid). 



The above-described course of the general management 

 of the experiment has been followed thus far for five con- 

 secutive years (1889-93, inclusive). 



Cora (maize), 

 Oats, . 

 Rye, . 

 Soy bean, 

 Oats, . 



Kind of Crops Raised. 



Amount of Fertilizing Ingredient* applied per Acre during 1894. 



/•Nitrogen, 

 Plats 0, 1, 2, 3, 5, 6, 8, 10, <j Phosphoric acid, 

 I Potassium oxide. 



Plats 4, 7, 9, 



t Nitrogen, 



{ Phosphoric acid, 



I Potassium oxide, 



45 pounds. 

 160 pounds. 

 250 pounds. 



none. 

 1G0 pounds. 

 250 pounds. 



