System Sciences and Comprehensive Studies in Agriculture 1989 Issue 1 nong ye sheng tai xi tong de xing zhi

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System Sciences and Comprehensive Studies in Agriculture
1001-0068
1989 Issue 1

nong ye sheng tai xi tong de xing zhi
liang wen ju ; sun qing yuan

..............page:78

pca ji xiang yi xing fen xi zai nong ye zong he zi ran qu hua shang de ying yong
lin guang sheng

..............page:73

qu yu jing ji fa zhan zhan lue de ding liang yan jiu
yang ling bin

..............page:69

xi tong gong cheng fang an shi shi xiao guo ping jia zhi biao ji quan zhong de ji suan
zhang zhi min ; ma ke jie

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

xi tong gong cheng zai shui dao gui fan hua zai pei ji shu zhong de yan jiu yu ying yong
zhuang yu hua

..............page:56

guo ye sheng chan de xi tong fen xi he you hua tu jing tan tao
li qing yuan ; he yu jin

..............page:48

xi tong dong tai xue zai hei long jiang sheng nong cun fa zhan zhan lue yan jiu zhong de ying yong
zhao wen huan

..............page:44

lu qun dong tai ping heng jie gou de xi tong fen xi ji you hua mo shi de yan jiu
liu yan

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

ying yong hui se xi tong li lun yan jiu di wei zhi shu biao de shi yong fan wei
an he ping

..............page:35

mo hu dong tai tou ru chan chu mo xing de yan jiu
lv yong cheng

..............page:29

dui nong ye zong he yan jiu ji ge wen ti de tan tao
gao jian bang

..............page:24

gan su sheng ding xi di qu nong ye sheng tai jing ji fan kui jie gou mo xing ji qi diao kong
fei hong ping

..............page:20

qian shu xi tong gong cheng zai wo guo xian ji gong ye shang de ying yong
lv yong long

..............page:15

chu tan bian zhi xian ji tou ru chan chu mo xing de guo cheng xi tong
zuo de xu

..............page:10

shi lun zuo zai nong ye xi tong yan jiu zhong de ying yong
cui shi you

..............page:6

lun shu ju
chen ke ming ; zuo cui ping

..............page:3

guan yu jian mo si xiang li lun he fang fa de kao lv
wang hao ; zhou man shu

..............page:1