PLANTS DO NOT FIX FIJKK MTIJOdKN 



Table I. — Summanj of fhc Iic.'<iilt^ of Experimcnls made at liolhavistrd lo 

 drtermine whethei' Plants aaaimilate Free Nitrogen. 



These results seem to exclude ilie possiliilily of any 

 fixation of nitrogen by living plants, and as tli(>y had heen 

 obtained with plants of tlu-ee different natural orders, and lioth 

 without and with manure to induce an initial vigorous growtli, 

 for many years the whole trend of scientific oiiinion was against 

 the possibility of the fixation of nitrogen l)y living plants. 



