PLATI-: I. 



32 



QUINOLINE 9 CC 



NO TREATMENT 



34 



OUINOLINE g CC 



KAINITE 4 6 GRAMS HAINITE 4 5 GPfcUS 

 PHOSPHATE 4 5 PHOSPHATE 4 S 



NITRATE 4 5 



Fig. 1. Immediate efFect of quinoline on oats when applied 

 alone and in connection witli fertilizers. 



5 RAMS 



•hOSPHA' 

 -; -'OfiTE 



^.-tok - w j; p 



Fig. 2. Residual eilVcl on corn of (luinoline when applied 

 to the previous crop of oats. 



