E. P.
Shcherban' N. A.
Platonov ABSTRACT Vital, lethal, and sublethal concentrations of two ammonium-containing fertilizers, mochevin-K1 and mochevin-K2, were determined in experiments with Ceriodaphnia affinis. Concentrations of 1 g/L of the first and 0.1 g/L of the second compound were lethal at chronic exposure, while concentrations 0.001 g/L and 0.01 g/L, respectively, produced no toxic effect.
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