A mass and energy balance to provide microbial growth yield efficiency in soil |
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| Authors: | N Barros S Feijóo J A Simoni C Airoldi B Ramajo A Espina J R García |
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| Institution: | (1) Department of Applied Physics, University of Santiago de Compostela, Santiago de Compostela, Spain;(2) Brigham Young University, Provo, UT, USA |
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| Abstract: | The control on the CO2 coming from soil handling, makes necessary the introduction of new methodologies that inform about the capacity of the soil
as a carbon sink and about the carbon decay. It can be performed through the microbial growth yield efficiency concept by
calorimetry and enthalpy balances. Here it is examined the sensitivity of these indicators to two metal layering phosphates,
AZP (NH)4Zn2(PO)4(HPO)4] and AIP (NH)4Fe(PO)4H2O] to assess about their soil impact. Both compounds caused metabolic changes on soil microbial biomass when compared to appropriated
references indicating that the proposed methodology is sensitive to different inorganic sources of microbial growth. |
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