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BULLETIN 1126, U. 8. DEPARTMENT OF AGRICULTURE. 



wick it was found that a fairly high concentration of borax was 

 required to produce injury, and it is significant, moreover, that the 

 rainfall there, which would be approximately the same as at Holmdol, 

 was quite heavy. 



Table 8. — Total yields of potatoes grown on different types of soil treated vnth fertilizers 

 of stated composition, applied at given rates per acre, and containing varying percent- 

 ages of borax, tests of 192'). 



Items of comparison. 



Application of muriate of 

 potash. 



With 



planter in 



drill row, 



1919 



grade. 



At Cape Charles, Va., on Sassafras sandy loam: 



Potash (KsO) per acre pounds.. 



Borax (Na2B<07) per acre do — 



Yield per acre bushels. . 



Potash (7CjO) per acre pounds. . 



Borax (NajBiO?) per acre do 



Yield per acre bushels . . 



Potash CC2O) per acre pounds.. 



Borax (NajB^O?) per acre do 



Yield per acre bushels.. 



At Norfolk, Va., on Norfolk sandy loam: 



Potash ("2O) per acre pounds.. 



Borax (NaoBiCY) per acre do 



Yield per acre bushels.. 



Potash fTCoO) per acre pounds.. 



Borax (Na2B<07) per acre do 



Yield per acre bushels . . 



Potash (7C2O) per acre pounds.. 



Borax (NajBiO?) per acre do 



Yield per acre bushels . . 



At Holmdel, N. J., on Sassafras loam: 



Potash C ^O) per acre pounds. 



Borax (Na^BiO?) per acre do. . . 



Yield per acre bushels.. 



Potash GC2O) per acre pounds. 



Borax (NaaB407) per acre do... 



Yield per acre bushels. 



Potash ( TC2O ) per acre pounds . 



Borax (Na2B<07) per acre do. . . 



Yield per acre bushels. 



At Presque Isle, Me., on Caribou loam: 



Potash (TvjO) per acre pounds. 



Borax (Na2B 4 U7) per acre do. . . 



Mild per acre bushels. 



Potash (K»0) per acre pounds. 



Borax (NasBiO?) per acre rlo... 



Yield per acre bushels. 



Potash ■.. ■ » 1 -r acre pounds. 



Borax (NagBjO;) per acre do... 



Yield per acre bushels. 



45 

 7.5 

 262 



75 

 12.5 

 256.0 



105 



17.5 

 226. 



54 



s. X5 

 331.4 



90 

 1 1. 75 



3' 1 1.5 



126 

 20. 65 

 232. 1 



With distributer. 



1919 

 grade. 



54 



8.85 

 178.1 



90 



14.75 

 161.9 



126 

 20. 65 

 127.4 



54 



8.85 

 221.1 



90 



1 1. 75 

 231.8 



126 

 20. 65 



193. 6 



45 

 7.5 



284 



75 

 12.5 

 292. 6 



105 

 17.5 

 293. 3 



51 

 s. 85 

 355.5 



90 



1 1. 75 

 3 16. 



120 

 20.65 

 311.7 



1920 

 grade. 



203. 6 



91) 



199.7 

 126 



228.9 



51 



245.9 



90 



232. r, 

 126 

 '229.'$ 



45 



*27S"" 

 75 



2S5.3 

 105 

 " 276.7) 



51 



'310.2 



90 



Composition of fertilizer 



(per cent 1. 



NH3. 



368.0 



126 

 '405.' 0' 



PsO, 



K 2 0. 



