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EFFECT UPON THE LONGEVITY oF INTRODUCED AZoToBACTER 01+ ADDING
THE EFFECT oF MIXING Two S0ILs ONE CONTAINING THE OTHER
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acetic acid soils ACIDS To soIL ADDING DIFFERENT QUANTITIES alter the reaction Azoto AzOTOBACTEB Azotobacter ﬂora AZOToBACTER oF ADDING bacter Bacteriology butyric acids calcium carbonate cent Cheik CONTAINED AZOTOBACTER Presence cultures disappear electrode Experiment started 8-13-21 favorable reaction ﬁeld ﬁrst ﬁve FLORA oF MIXING Grams Grams Reaction graocs Ht concentration Hydrochloric hydrogen hydrogen-ion concentration indicated inoculation experiments inoculum introduced Azotobacter justiﬁed Lian lime LONGEVITY oF AZOToBACTER mannite MgCO3 MIXING TWO SoILS mixtures n n n N-mber of soils n+ n+ NaOH nitrogen ﬁxed Nontypical numbers ocoiocated ocoo organic acids pH below 6.0 plats potentiometer Presence of Azotobacter presented in Table quantities of CaCO3 quantity of nitrogen r-n r-n r-n Reaction _ recorded in Table Sample Grams Grams silt loam soil containing soil G soil solution soils colorimetric pH soils electrometric pH sti_ SUBSEQUENT AZOTOBACTER FLORA sufficient toxic Typical Azotobacter zotobacter Sample Grams