food and nutrition

Remove Toxins

Question: Plants remove toxins , but how can I test the amount of microbes the plan cleans per an hour ? I want to make an experiment about plants removing toxins....basically some different plants remove different chemicals from the air and "cleans it". I want something to test the amount of microbes the plant cleans per an hour . How can I calculate that ? is there a machine or something ? how ? ??? what do i do ? do i put the machine on the leaf ? on the wooden part etc?

Answer: I think you are confusing two things. The toxins in the air are not microbes, but chemical pollutants. So, you need to find a way to measure the reduction in these, not the 'amount of microbes that plants 'clean' which doesn't make sense (you can't clean microbes!). So, you could, for example, measure the level of toxins without the presence of plants, then add several plants and seal the room, measure the total leaf surface area and the level of toxins in the air after one week. Then work out the difference in the level of toxins before and after, and calculate the amount of toxins that an average single plant removed or the amount removed per unit of leaf surface area. Most microbes are benign or beneficial and we wouldn't want plants to reduce their numbers (eg. the rising incidence of allergies and food sensitivites has been linked to excessively clean modern houses, which give too little exposure to microbes; a good level of microbes in our guts is also essential for healthy digestive systems etc.). Plants promote microbe numbers as their root exudates and organic wastes (dead leaves etc.) provide food for microbes.


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