In agriculture: all the plants and pets need water themeDeveloper. From a cabbage seeds grow into a commercial vegetable crops need 25 gallonsthe water; Rice need 4500 gallons of water to produce 1 kg of seeds. We have folk verse: "For the country, runner-upfeces, tam, the same foursome ", through which we can see the role of water inAgriculture. According to FAO, watering and fertilizer are two of the leading determinant isessential needs, and also has the role to regulate the mode of heat, light, chemicalsnutrition, microbial, breathable levels in the soil, making a wage increase production speedreally pass the speed increase of the world population. For Vietnam, the country did the same with thewho made up the rice in the Red River Delta-the cradle of civilizationpeoples, of the country, has made the agricultural ecosystem productivity and computersustainability on the highest category in the world, made a country Vietnam has exported rice AGRICULTURE And FORESTRY UNIVERSITY HcmcWater resources and water use status page-13-stand for second place in the world today. Vietnam water literally true is water-H2O.• In industry: water for the needs of industrial production.The water used to cool the engine, turning the tubin, as solvents melt thecolor chemicals and chemical reactions. To produce 1 ton of iron and 300 tons of water needed, atons of caustic soda in need of 800 tonnes of water. It is estimated that 15% of worldwide water useindustries such as power plants, which use water for cooling or as a source ofenergy, ore and oil refineries, water use in the chemical process, and theproduction, using water as a solvent. Each industrial sector, eachproduction and each technology requires an amount of water, various juices. Watercontributed to the driving force of economic development. If there is no water, makesure the whole industrial production systems, agriculture ... on the planetretired and do not exist.From 3000 years BC, the Egyptians already knew used irrigation systemwater for cultivation and today people have to discover many more possibilities of waterguarantee for the development of society in the future: water is anproducts and industrial raw materials abundant water are important in agriculture,industry, in activities, sports, entertainment and many other activities of theperson. In addition to the water is also considered a special mineral because it examined alarge power source and back more soluble material may exploit forthe bridge of human faces.
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