Incorporation of glucose-14C and NH4 + in microbial biomass of alkaline saline soil

  title={Incorporation of glucose-14C and NH4 + in microbial biomass of alkaline saline soil},
  author={E. Ram{\'i}rez-Fuentes and Marco L. Luna-Guido and Alejandro Ponce-Mendoza and Eric Van den Broeck and Luc Dendooven},
  journal={Biology and Fertility of Soils},
The turnover of organic material determines the availability of plant nutrients in unfertilized soils, and this applies particularly to the alkaline saline soil of the former Lake Texcoco in Mexico. Approximately 10% of 1,000 mg of 14C-labelled glucose added to this soil remained in the microbial biomass C and half of 200 mg NH4 +-N added could not be accounted for within a day of application. We investigated whether the added 14C and NH4 + could be liberated by adding a further 1,000 mg 14C… CONTINUE READING

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