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Water Saving Irrigation
1007-4929
1990 Issue 3
po di pen guan de yan jiu dong tai
chen xue min ;
..............page:56-58
pen guan zhi guan you hua she ji de tu jie fa
Bai Dan
..............page:32-35+44+64
xing pen shi pen guan ji pen guan qiang du he jun yun du de ji suan
Go Rongliang & Xiu Binghua
..............page:21-27+64
wei guan di jia
xian dong ;
..............page:61
da xing pen guan ji de gai zhuang ji qi xiao yi
huang heng chuan ;
..............page:49-51
fa guo portube-2 shen guan guan dao xi tong de shi yong xiao guo
yan zuo xin ; fang rui zhu ; zhang jian cheng ;
..............page:40
pen guan zheng fa sun shi ji suan
walter l. trimmer; yao chong ren ;
..............page:59-61
qian tan pen quan de she ji yu an zhuang
huang xiu qiao ;
..............page:52-55
cai tian pen guan zi dong hua kong zhi
wu song lin ; chu xun ; xu yun nian ;
..............page:45-48
tong guo chuan gan qi shi xian yu mi de zi dong guan gai
j. g. white; su chen ;
..............page:62-63+44