??? ??? ?? ?? ??? ????.
?? ???? ??? ???? ????, ??? ???? ??? ??? ?????? ????? ??? 3? ???.
??? ???? ??? ???? ??? ??????? ??, ??, ??, ??, ?????? ????.
50ha ??? 2012??? 100? ?? ?? ??? ???? ???, ?????? ????.
???? ?????? ???? ????? ???? ??, ??? ?? ??? ???? ???? ??? ??? ????.
15ha ??? 2011??? 30? ?? ?? ???? ????, ???? ????, ?????, ???? ????.
??? ?? shjung@donga.com