Industry Wisdom to use water

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Industry
Editor : Secretariat of the Technical Conference of Agriculture, Forestry and Fisheries, Ministry of Agriculture, Forestry and Fisheries / Human in Nature Series ; 23 Soil and Human / Human can use only 0.8 percent of the water on Earth. Using paddy fields equipped with elaborate machine-like mechanisms such as drawing water channels from dams. Introducing various ideas for using limited water effectively (Nippon library association)