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.
There is a minimally toxic mimic of wild onion, which is called Crow's Poison (Nothoscordum bivalve). This plant look almost identical to a small wild onion but it lacks the onion/garlic smell when. Crushed Crow's Poison smell like grass whereas the wild onion smells like onion when crushed. The toxins in Crow's Poison are very weak and in a very low amount.