The fixation of nitrogen
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Fawsitt, Charles A.
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Article
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1890
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Wiley (John Wiley & Sons)
β 637 KB
31r. \YIIITELBY snit1 tlint arr. Wootl's rciiinrks ciiiplinsised the iicccssity first of obtniiiiiig n pure cnltirntioii, ;rnd secoird of obserritig its effects in simpler iiiedin. 31r.\\rooD said tlint, netingoti tlic ndvicc of A h . A. Iirown, lie lincl nlrently iu pnrt douc this uiid obtniiictl n