1005-9121
1981 Issue 2
sheng tai ping heng yu da nong ye fa zhan
hou xue zuo ;
hou xue zuo ;
..............page:3-29
..............page:63-69
cao yuan de sheng tai xi tong
zhu ting cheng ;
zhu ting cheng ;
..............page:99-123
nong tian ji ben jian she de shui tu wen ti
xiong yi ;
xiong yi ;
..............page:70-77
lun sen lin sheng tai xi tong fa zhan de dong tai ping heng gui lv
xu yan qian ; wu shi huan ;
xu yan qian ; wu shi huan ;
..............page:85-94
nong ye hai chong yu nong ye sheng tai ti xi
pang xiong fei ;
pang xiong fei ;
..............page:78-84
jian li liang hao de nong ye sheng tai jing ji xi tong
gao liang zhi ;
gao liang zhi ;
..............page:30-49
nong tian fang hu lin yu xin de nong tian sheng tai xi tong
zhao zong zhe ;
zhao zong zhe ;
..............page:95-98