كتب ذات صلة

Studies on ammonification in soils by pure cultures

Nitrogen fixation by yeasts and other fungi by Charles B. Lipman ...

The fixation of atmospheric nitrogen a communication made to the Cairo Scientific Society, January 3, 1919

The effects of calcium and magnesium carbonates on some biological transformations of nitrogen in soils

• Wild volatile-oil plants and their economic importance: I.--black sage: II.--wild sage II.--swamp bay.
  المؤلفون: Rabak, Frank. [from old catalog]
• The whiting: a good fish not adequately utilized.
  المؤلفون: Moore, Henry Frank
• Whales and porpoises as food. (With thirty-two recipes...)
  المؤلفون: [Radcliffe, Lewis]