1007-4929
1990 Issue 2
..............page:17-19+64
guan gai yong shui ji shu de fa zhan
lin zuo ;
lin zuo ;
..............page:39
he bei guo ying da cao zhuang nong chang yin jin mei guo da xing pen guan ji shi nian lai bian hua gai kuang
gao xue zeng ; bai ke jian ;
gao xue zeng ; bai ke jian ;
..............page:44-45
sha huang di shang de bian qian
zheng chao ; qi jin ;
zheng chao ; qi jin ;
..............page:26
..............page:8
jie shui zeng chan de nong yong di guan she bei
yao zhen xian ;
yao zhen xian ;
..............page:28
gao zhen cun zhong shi pen guan guan li sang yuan pen guan jing ji xiao yi xian zhu
shi zi lu ; zuo jia fu ; wang wan feng ;
shi zi lu ; zuo jia fu ; wang wan feng ;
..............page:35-37
pen guan xi tong de jing ji xue
thomas r.gohring;w.w.wallender; zuo yang qing ;
thomas r.gohring;w.w.wallender; zuo yang qing ;
..............page:54-63
zi ya pen guan xi tong guan dao jian ya de yan jiu
Wang Yuntao & Dang Zhiling
Wang Yuntao & Dang Zhiling
..............page:20-26+64
pen guan yong yu liang shi zuo wu he jing ji zuo wu fen xi
wen qiu liang ;
wen qiu liang ;
..............page:32-34
..............page:4-8
di guan di tou liu liang fen bu yu guan gai shui li yong lv de guan xi
an yang si jiu nan ; chang zhi nan ; hei tian zheng zhi ; long zhen hua ;
an yang si jiu nan ; chang zhi nan ; hei tian zheng zhi ; long zhen hua ;
..............page:49-54
guan yu qian mu di guan jing ji xiao yi fen xi
dong zhong ; zhang zhong liu ;
dong zhong ; zhang zhong liu ;
..............page:40-43
li shu pen guan shi yan cheng guo
ding ding rong ; xu hai gen ;
ding ding rong ; xu hai gen ;
..............page:37-39
wei guan mao guan shui li xue yan jiu wei guan shui li she ji ji suan fang fa tan tao zhi yi
Zhang Guoxiang
Zhang Guoxiang
..............page:9-16+64
..............page:27-28
shi me shi jie shui nong ye ?
lin zuo ;
lin zuo ;
..............page:34
..............page:43
po di pen guan de te dian
lin zhong hui ;
lin zhong hui ;
..............page:46-48+63
..............page:29-31
..............page:16
..............page:2-3