Water is an indispensable natural resource without which existence of life is impossible. On an average a minimum quantity of 200 litres of water is used by each person a day. Plants absorb millions of liters of water everyday and about 95% transpirate to the atmosphere by using 5% only. A single tomato plant transpirates 150 liters of water in its lifetime, i.e. 3 to 4 months period only. Continue reading →