Water Saving Irrigation 1987 Issue 1 liang xiang pen guan ke yan cheng guo zai quan guo ji suan ji ying yong zhan lan hui shang zhan chu

liang xiang pen guan ke yan cheng guo zai quan guo ji suan ji ying yong zhan lan hui shang zhan chu
xing bi guo ;

..............page:63

py₁ xi lie pen tou yao bi yun dong de yan jiu
liu zuo ; wang ze ;

..............page:64

an dang di feng su xuan ding pen tou zu he jian ju
yan zuo xin ; shi zi lu ;

..............page:62

quan zi jie zi ya pen guan xi tong de guan li
yang shan can ; zhang fang zhi ;

..............page:58-59

da zhai cun de pen di guan gong cheng wei shi me neng lian xu yun xing shi er nian ? shan xi sheng xi yang xian da zhai cun shui li diao cha bao gao

..............page:38-41

quan guang pen wu qian cha yu miao xiao yi chu tan
he guo qiang ; pang jia hong ;

..............page:30-33+18

you yi di qu chun xiao mai pen guan zhi du
zhang hong ye ;

..............page:27-29

cong zuo jia zuo de shi nian pen guan kan zhe yi guan shui xin ji shu de sheng ming li
duan chun hai ;

..............page:47-48

xin xing yi dong shi di guan xi tong
luo jin yao ; chen guang hao ;

..............page:61

he bei sheng pen guan ji shu shi nian de fa zhan ji qi qian jing
chen xin suo ;

..............page:44-46

fa zhan zi ya wu guan mu er gao chan zhi fu
zhang shu hua ;

..............page:60

xi de perrot gong si de pen guan kong zhi xi tong
liu zuo ; chen jian ren ; zhou yong ping ;

..............page:64

pen guan te xing can shu de tu biao fa
g p tsakivis;g c tergis; hong dao xing ;

..............page:49-52

xin jiang sheng chan jian she bing tuan pen di guan fa zhan dong tai
yang zun lin ;

..............page:59-60

guan yu you feng tiao jian xia pen guan fang shi de que ding
jia teng zhao san ; zhu zhong zhao ; lin zhong hui ;

..............page:53-57

shuang bi guan
yan zuo ; ma fu cai ;

..............page:61

guo wai ji zhong guan gai she bei de ping shu
yan zuo ; zheng ming ;

..............page:61

jiang di ban gu ding shi pen guan xi tong tou zi de she ji fang fa zai tan
chen zhong an ;

..............page:3-6

zuo wu pen guan guan gai gui lv de yan jiu
song yi fu ;

..............page:7-13

jia qiang pen guan ji shu de biao zhun hua gong zuo jin yi bu cu jin wo guo pen guan ji ju de ti gao he fa zhan
li shi ying ;

..............page:42-44

yan shan di guan ji shu shi nong ye jie shui de you xiao tu jing
dan chao ; lv shan xiu ;

..............page:63

mei guo 1985 nian de pen guan mian ji
chen da diao ;

..............page:22

huan zhuang gong shui guan wang de die dai you hua ji suan fang fa
liu zi pei ;

..............page:19-22

quan guo pen guan qu hua fen qu ji pin tu hui yi zai he nan xin xiang shi zhao kai
li ying neng ;

..............page:37

li yong ce suan pen shui qiang du que ding pen guan ding e
ming qiu hua ; wang guang xing ;

..............page:62

kai zhan jie shui xing guan gai ti gao yong shui xiao lv
zheng chao ; shi qun ;

..............page:62

xin xing di guan dai
liu zuo ; wu jing she ;

..............page:63

zuo xian heng ya pen guan shi yan gong cheng di mian yi dong lv guan dao xi tong
qiu hua ; li ying neng ;

..............page:64

pen guan de guan li yu fa zhan gui lv
ma qi xiang ;

..............page:34-37

pen guan di guan deng jie shui guan gai ji shu zai wen bu fa zhan

..............page:41

zuo xian heng ya pen guan shi yan gong cheng shui yuan beng zhan shui chui fang hu cuo shi
luo jin yao ; li ying neng ;

..............page:62

gan jie zeng chan xiao yi he pen guan zhi du shi yan yan jiu
shen fu shou ; zhang chun quan ; shi zi lu ; ding ding rong ;

..............page:23-26

shui li dian li bu zai bei jing zhao kai di guan zuo tan hui

..............page:2

li yong qi xiang zi liao tui suan gan jie xu shui liang he pen guan ding e
liang wen jing ;

..............page:14-18

wen shi shu cai wei pen guan chu bu shi yan
liu shu min ;

..............page:13

di liang guan gai de xiao yi ji qi ji shu guan jian
qiu hua ; hua qing ;

..............page:63