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EC number: 939-505-4
CAS number: -
SOIL MICROORGANISMS - NITROGEN TRANSFORMATION TEST
Test systems were dosed with Phosflex 71B (tBuTPP) at nominal
concentrations of 0, 30, 100, 300, 1000, and 2987 mg/kg dry soil, and
incubated at approximately 20º C for 28 days. Soil samples were
collected on days 0, and 28; and analyzed to determine nitrate
The percent inhibition of nitrate formation, compared to untreated
calculated for each treatment level. Results are presented in the
The EC50 value for inhibition of nitrate formation after 28 days was
greater than 2987 mg Phosflex 71B
(tBuTPP)/kg dry soil, the highest concentration tested. Phosflex 71B
(tBuTPP) did not have an adverse effect
on nitrogen transformation in aerobic surface soil.
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