10 1897 1610 1973 48 400 1613 1676 1687 1300 1684 1500 1 1000 18 100
1877 2 1885 1890 1891 3 1892 2 1894 1896 2000 1900 5000 ( ) 1901 ( ) 1904 1917 ( 6 )
( ) 1882 ( 15 ) 1885 4 25 3000 1881 14 1900 33 11 25 5 1877 ( 10 ) 1883 ( 16 ) 1888 1895
2001 p.54 1881 ( 14 ) 2 1884 1885 1888 1890 1881 ( 14 ) 1893 (26 ) 13 6760 1893 77 100 6
ha 1881 14 172 83.5 1882 15 132 80.1 1883 16 647 80.1 243.7 1884 17 2286 160.5 404.2 1885 4090 505.5 909.7 1886 19 3595 310.0 1219.7 1887 20 2987 430.0 1649.7 1888 21 3783 1584.4 3234.1 1889 22 4839 789.9 4024.0 1890 23 5789 514.7 4538.7 1891 24 7547 994.3 5533.0 1892 25 6468 229.3 5762.3 1893 26 5165 997.6 6759.9 1887 ( 20 ) 1100ha 7 1956 1961 2 12 5000 6000 1890 3 4 100
1896 1897 5 8 1900 25 7 5 3 1901 34 4 91902 35 1 20 25 20 14 600 20
1897 1900 1897 30 3 13,500ha 3,000ha 7,000ha 3,500ha 35k 63 3000ha 164km 2399ha 153,89km 10 10 1903 1913 1912 1916 5 1927 2 1940 16 11
1950 1954 1947 22 12 500 1982 57 3 340 30 ( ) 1903 36 0.84 4.96 4.66 39.68 50.14 1907 40 9.03 21.74 58.65 89.42 1916 5 25.12 50.63 71.02 121.18 267.95 1921 10 18.51 33.10 45.20 155.98 252.79 1924 13 20.99 32.78 57.01 167.07 277.85 1927 2 24.00 51.00 72.00 123.00 270.00 66 68
1956 31 13 14 1957 32 1 300 1945 1999 1999 10 5 1945 1999 1999 88 2 5000 150 7 6000 ) 75 76 1947 22
100 ha 6 1000ha 37,784 25,146 7,301 4,090 1,378 974 405 184 641 356 125 101 636 422 195 117 1,258 855 288 221 3,913 2,607 1,013 623 15 27,362 7 15,278 16,759 27,362
15 16 17 18 19 40 8 63 1988 31 1956 32 1957 150ha 1670ha 2684ha 920ha 845ha 271ha 139ha 6 7ha 830ha 50 139ha 123ha 366ha 491ha 845ha 30 1897 31 20 1945 32 2001 3 51 50
( ) 3 8000 10 1 20 23 1992 4 8 18,579ha 96.7 0.1 85.0 15,219ha 0.6 104ha 49 51ha 9 67ha 171ha 18,579ha 51ha 49 0.9 104ha 0.6 53ha 51 17,961ha 96.7 10
5 10 1980 55 1992 5 1996 8 5 2ha 1860 6300 1996 8 5 12 100 160 1997 9 4 20 1500 600 1998 10 4 19 600 350 1999 11 4 25 1500 300 2000 12 4 23 3698 450 7398 1860 17 NPO 1998 7 24
) 1 1984 5 2 1832( ) 1903( 36) 3 1841 ( 12 ) 17 4 1884 5 6 7 8 9 10 11 67 12 13 14 15 16 17 5
18 19 50 20 ( ) 1 10 1987 62 9 1984 URL http://www.bekkoame.ne.jp/ha/ashio/ http://www.takatechnical.co.jp/asio/ http://www.fakanto.go.jp/index.html http://www.ktr.mlit.go.jp/watarase/index.html http://www-cger.nies.go.jp/%7eichinose/ichinose/ashio.html http://www.jfec.or.jp/tech1999_7.htm http://www.giac.or.jp/index.vs