PL ATI-: III. 



NO TREATMENT 



IS -21 " L 



PVROGALLOL 9 GRAMS PVROGALLOL B GR&MS PYROGALLOL 3 GRAMS 

 KAINITE 4 5 GRAMS KAINITE 4 S GRAMS 



PHOSPHATE 4 S PHOSPHATE 4 5 



NITRATE 4 S 



FiiJ. 1. Iniiiu'diafc eU'ect on oats of pyrogallol applied alone 

 and in connection with fertilizers. 



'dSPH*TC 4 5 Phosi^-^: 



TO PRE'/'OUS CftOP- 

 CASBON BLACK S GBAU* 

 >.*. H'TE 4 S GRAMS 

 ■ -''>P.HftTE 4 5 

 • -"ATE .1 5 



-PS i- Pi N 



iFig. 2. Residual efTect on corn of pyrogallol and carbon 

 black applied to the previous crop of oafs. 



(Plate 111, fig. 2, pot No. 24, blurred line at boltom 

 of the legend should read, "To corn, K. P. and N.) 



