FIELD: vermiculite cultivation, in particular, equipment for selecting optimal substrates for cultivation of annelids.
SUBSTANCE: apparatus has reservoir for layer-by-layer placement therein of test substrates and sample with worms. Reservoir is made rectangular and provided with front glass wall. Reservoir is divided into sections by means of detachable temporary partitions having height smaller than that of reservoir. Sample with worms is positioned above test substrates.
EFFECT: simplified construction of apparatus for determining of worm feed preferendum.
2 dwg
