Category:On the sources of the nitrogen of vegetation; with special reference to the question whether plants assimilate free or uncombined nitrogen (1862)

Media in category "On the sources of the nitrogen of vegetation; with special reference to the question whether plants assimilate free or uncombined nitrogen (1862)"

The following 4 files are in this category, out of 4 total.

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  On the sources of the nitrogen of vegetation; with special reference to the question whether plants assimilate free or uncombined nitrogen (1862) (20106261684).jpg 2,992 × 2,294; 1,021 KB
  
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  On the sources of the nitrogen of vegetation; with special reference to the question whether plants assimilate free or uncombined nitrogen (1862) (20542097679).jpg 2,944 × 1,448; 510 KB
  
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  On the sources of the nitrogen of vegetation; with special reference to the question whether plants assimilate free or uncombined nitrogen (1862) (20702610636).jpg 3,032 × 1,802; 726 KB
  
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  On the sources of the nitrogen of vegetation; with special reference to the question whether plants assimilate free or uncombined nitrogen (1862) (20735717611).jpg 2,952 × 2,304; 1.1 MB