1.Research shows that visual exposure to tree has significant effect in alleviating stress within 5 minutes as indicated by blood pressure and muscle tention."Dr Roger S Ulrich Texas University.
2.Net cooling effects of young ,healthy tree is equivalent to ten room size air conditioners operating 20 hours a day."US Dept of Agriculture"
3.If a tree weighs 1000kg ,60% consist of carbon which is captured from atmosphere as CO2,30% water,1-2% mineral.
4.Ash which lefts out after burning of tree is minerals like calcium and iron.
5.1kg of carbon equivalent to 2.5 kg of carbon dioxide(co2).
6.When tree dies all the carbon releases to atmosphere in the form of carbon dioxide by combining with oxygen.
7.If carbon dioxide content more in atmosphere, rate of growth of plant is more.
No comments:
Post a Comment