192 AGKICULTURAL EXPERIMENT STATION. [Jan. 



Plats. 



Annual Supply of Manurial Substances. 



Plat 0, 



Plat 1, . 



Plat 2, 



Plat 3, . 



Plat 4, . 



Plat 5, . 



Plat 6, . 



Plat 7, . 



Plat 8, . 



Plat 9, . 



Plat 10, . 



800 lbs. of barn-yard manure, 32 lbs. of potash-magnesia sulphate and 



18 lbs. of dissolved bone-blaclv. 

 29 lbs. sodium nitrate (=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). 

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

 magnesia sulphate (= 12 to 13 lbs. potassium oxide) , and 60 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. available phosphoric acid). 

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



lbs. dissolved bone-blaclc (= 8.5 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. 



dissolved bone-black (= 8.5 lbs. availar)le 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). 



Cost of Fertilizers applied to Field A. 



The above-described course of the general management of 

 the experiment has been followed thus far for five consecu- 

 tive years (1889-93, inclusive). 



