Show Carbon Dioxide Used to Stimulate Plants If some one oue should tell you that you might run a n pipe from flom your our chimney to 10 the buck yard back garden and arid use the coul coal gus gas from your jour our furnace to fertilize vegetables and lowers flowers you probably would laugh at nt the Idea lI Yet tet virtually virtual ly Iy Unit that sumo slime thing Is U being done to tor to- day In remarkable experiments conducted con ducted In plant laboratories near New NewYork NewYork York YOlk city plants are being made to 10 grow anti and flourish h us liS never before on ona ona a ft simple diet t of carbon urbon dioxide the lh le-lh the gas ens ns of combustion gh gl en ln oft off by the very ery furnaces u used to warm the greenhouses green greenhouses houses houlIs In which the plants are grown I Tint such things have proved ed possible pos pos- slide sible Is due lIue to comparatively recent scientific t tries isco eries concerning the manner mallner In which plants breathe and draw nourishment from the atmosphere atmos phere the sunshine and the llac earth For or one thing plant breathe like mil mil- mals maill A plant takes take In oxygen through tiny 1111 openings In lu It its s leaves much as os we breathe through our our noses gives off carbon dioxide Under the Influence of sunlight ht however howe the plant while breathing ox oxygen n gen also ulso draws In carbon arbon dioxide and amid uses this tits gas manufacture to th the starch on which Its growth depends Now by supplying this tits gas In its the th greenhouse nt lit certain times of the day we can con make the time plants plaints grow from two to three times as its fast as os they would ordinarily and more luxuriantly l' l Popular pular Science Monthly |