1899.] 



PUBLIC DOCUMENT — No. 33. 



137 



Plats 

 (One-tenth Acre) 



Plat 2 



Pint 3 



Plat 4 



Plat 5 



Plat 6 



Plat 7 



Plat 8 



Plat 9 



Plat 10 



Annual Supply of Manurial Substances. 



29 lbs. sodium nitrate (^4 to 5 lbs. nitrogen), 48.5 lbs. potash-magneBia 

 sulphate (=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), 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 (=:4to5 1b8. 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). 



Kind of Oroj)S Raised. 



Com (maize), 

 Oats, . 

 Rye, . 

 Soy bean, 

 Oats, 



in 1889. 

 in 1890. 

 in 1891. 

 in 1892. 

 in 1893. 



Amount of Fertilizing Ingredients applied per Acre during 1894. 



45 pounds. 

 . 160 pounds. 

 . 250 pounds. 



/•Nitrogen, 

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

 V Potassium oxide, 



Plats 4, 7, 9, 



Nitrogen, 

 Pliosphoric acid, 

 Potassium oxide, 



none. 

 160 pounds. 

 250 pounds. 



