:

  •  
                                                          

    "" (Amoco)

    "" (Amoco)

    . 1889, 1985 - " ()". 21,2 . ., 2,1 . ., 40 . , 45% , 44,1 . , 53,4 . (. 1980- .).




    (Borlaug) ( . 1914)
    ( . 1932)
    :