NH4+ Toxicity info request

Mark Fuller ez044157 at dale.ucdavis.edu
Tue Apr 18 22:55:19 EST 1995


I have been conducting research into soil ecotoxicology, and some of my 
treatments have resulted in relatively high concentrations of KCl 
extractable NH4+ being produced in the soil (40-70 mg/kg vs 2-4 mg/kg in 
the control soil).

Does anyone have any info or sources of info on the effects (adverse or 
otherwise) these levels of NH4+ could have on soil arthropods, plants, 
protozoa, nematodes or microorganisms?  I would greatly appreciate any 
leads anyone couild provide.

Please email me at mefuller at ucdavis.edu if possible.

Thank you in advance for your help.

Mark Fuller
Department of Land, Air and Water Resources
University of California, Davis
Davis, CA
(916) 752-0146




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