The Effect of Oxygen and Carbon Dioxide on Nitrification and Ammonification in Soils |
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14 days 28 days 50 percent oxygen ammonia ammonium sulphate amount of oxygen analyzed atmosphere bacteria calcium carbonate carbon dioxide formed carbon dioxide produced casein CO₂ Composition of gas CORNELL UNIVERSITY cubic centimeter dentrification diffusion dioxide on nitrification distillation Dunkirk Clay loam Effect of Carbon Effect of Oxygen effect on nitrification end of 14 end of 28 end of fourteen experiments were set flasks containing following table gives formation of nitrates fourteen days fresh soil Gas at beginning gas at end gas mixtures gases gives the results grams of soil hydrochloric acid incubation less nitrates lime magnesium oxide mg.N mixtures composed mixtures containing Mixtures on Ammonification Mixtures on Nitrification N2 Aver nitrate organism nitrates formed nitrates produced Nitrification and Ammonification nitrogen mixtures ordinary air organic matter oxygen and carbon oxygen content oxygen supply production of nitrates sealed flasks supply of oxygen Treatment twenty-eight days volume occupied