Ráðunautafundur - 11.02.1985, Page 150

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1. tafla
Heyfengur hkg/ha^) sarakvæmt forðagæsluskýrslum.
Ár hkg/ca Ar hkg/ca Ár hkg/ca Ar hkg/ca
1885 28,3 1915 27,7 1945 36,6 1975 28,0
1890 36,1 1920 23,2 1950 38,5 1980 31,2
1895 35,5 1925 32,0 1955 40,3 1981 25,7
1900 31,8 1930 36,9 1960 45,0 1982 27,8
1905 29,2 1935 35,0 1965 39,0 1983 26,7
1910 29,7 1940 34,2 1970 20,0
1) Fyrir 1930 var heyfengur raældur í hestburðum, sem ýmist
voru 80 eða 100 kg, en 80 kg algengari.
2. tafla
Uppskera í FE/ha og áburóarnotkun, N/ha, samkvæmt búreikningum.
Ar FE/ha N/ha Ar FE/ha N/ha
1969 1610 108 1977 2089 110
1970 1530 110 1978 1997 107
1971 1890 113 1979 1632 111
1972 2000 110 1980 2084 108
1973 1930 107 1981 1685 106
1974 1920 103 1982 1805 99
1975 1820 101 1983 1754
1976 1948 110