1915.1 



PUBLIC DOCUMENT — No. 31. 



37 a 



The rowen crop was unusually light, owing to the deficiency 

 in rainfall. On all of the unlimed plots and on 2 of the limed 

 plots the crop was too small to cut. The rowen crop was jDrac- 

 ticallj all clover, and the figures in the table show quite con- 

 clusively the necessity of using j^otash and lime for a legumi* 

 nous crop. 



The continued use of these dift'erent materials greatly aft'ects 

 the character of the growth. We find practically no clover on 

 the unlimed halves of the no-fertilizer plots, nor on the unlimed 

 portions of the plots receiving nitrate of soda, dissolved bone- 

 black, nitrate of soda and dissolved boneblack, or plaster, while 

 on all plots where potash is used we find clover, but not as 

 abundantly as on the limed halves of the same plots. 



South Soil Test. 

 On this field each plot has received the same fertilizer treat- 

 ment for twenty-six years. The crop this year was medium 

 green soy beans, which were injured by an early frost, before 

 the beans matured. The crop was cut soon after the frost, 

 before many of the leaves had fallen off, and made into hay. 

 Following are the yields per acre from some of the plots : — 



Plot. 



Fertilizer. 



Soy Bean Hay 

 (Pounds). 



Nothing, 

 Nitrate of soda, 

 Dissolved boneblack. 

 Muriate of potash, 

 Nitrate of soda. 

 Muriate of potash. 

 Dissolved boneblack, 

 Muriate of potash, 

 Nitrate of soda. 

 Dissolved boneblack. 

 Muriate of potash. 

 Lime, 

 Plaster, . 

 Manure, . 



1,5001 



3,500 



900 



6,000 



9,100 



1,200 

 1,700 

 11,500 



' Average of 3 plots 



