In this work the variation in the elimination capacity of a biofilter as a function of the gas flow and toluene concentration was studied. A bioreactor 0.75 m highÃ14.5 cm diameter was used, divided into three equal stages, using compost to support the microorganisms, and sea shells to control the pH.
Mistletoe and holly have poisonous berries and are dangerous if large amounts are consumed. Poinsettias have bad side effects if eaten by your dog. Chamomile, alfalfa, comfry, penny royal and garlic are dangerous herbs for dogs to eat.
Quick Answer. Some types of ferns are poisonous to dogs. According to Vet Street, the most common threat comes from asparagus ferns, which contain sapogenin. Dogs that eat the berries of this plant are likely to undergo abdominal distress. Continue Reading.