Water Management in Horticultural Crops (1+1)

Transpiration

• The amounts of transpiration from irrigated and unirrigated crops have been estimated to be 13 mham and 42 mham respectively, that from forest and other vegetation 55 mham. Thus, total transpiration from all such vegetation is 110 mham. On full development of irrigation, the transpiration is expected to be 35 mham from irrigated crops,35 mham from unirrigated crops and 55 mham from forests and other vegetations, the total being 125 mham.
• It has been planned that the entire utilizable quantum of water resources would be fully developed by 2000-2050 AD and 50 per cent of cultivated area will be brought under irrigation. Though the water resources appear to be plenty, in due course of time it will be found insufficient to meet the requirements for agriculture, industry and others.