geng zheng

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

nong ye ke xue shi yan de ji chu zhi shi di shi jiang san ge zhu yao tong ji chang shu de ji suan fang fa ( xu )
hua zhong nong xue yuan nong xue xi

..............page:38

mian ling fa yu cheng shu qi ye jian di wen dui zhong zi pin zhi de ying xiang

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

gao chan de qing si liao zhu ye cai
hua zhong nong xue yuan xu mu shou yi xi si liao xiao zu

..............page:36

geng niu duan bi liang duan duan ping mian wen he shu
zhou you sheng

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

wang ji gong she da mian ji ying yong hua xue chu cao ji de diao cha
jing shan xian ge ming wei pin hui nong ye ju jing shan xian shi long qu nong ji zhan diao cha zu

..............page:34

tong er da dui zong he fang zhi shui dao bai ye ku bing de jing yan
ying shan xian bing chong ce bao zhan

..............page:32

yi piao chong fang zhi mian ya
xiang yang di qu ge ming wei yuan hui nong ye ju

..............page:31

hong hua cao zi ou zhi cao tang ni ti gao fei xiao shi yan jian bao
ying cheng xian cheng tai gong she xie he da dui dang zhi bu ; ying cheng xian nong ye ke zhu xie he da dui gong zuo zu ; xiao gan di qu nong ye ke xue yan jiu suo qun ke zu

..............page:30

hong hua cao bu tong fan ya fang fa fei xiao shi yan
guang ji xian ge ming wei yuan hui nong ye ke

..............page:28

ying yong fang she xing lin kuang fen jin xing lin kuang fen fei de you xiao xing yan jiu . shui dao shi yong lin kuang fen fei de you xiao xing
hu bei sheng nong ye ke xue yan jiu suo nong ye li hua xi

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

mai dou mian san shu tao zhong shi yan
xin zhou xian liu ji gong she nong ke suo

..............page:23

shi shou zuo yang liang xian huang ma zeng chan jing yan
hu bei sheng nong ye ke xue yan jiu suo jing zuo xi ma zuo zu

..............page:21

mian hua feng chan zai pei ji shu yan jiu chu bao
hu bei sheng nong ye ke xue yan jiu suo jing zuo xi

..............page:16

cong liang nian zai pei shi yan kan liu jiu yi de shi yi bo zhi qi he mi du
hu bei sheng nong ye ke xue yan jiu suo shui dao xi

..............page:14

guang lu ai si hao gao chan chang xiang zhen duan he cu kong cuo shi
hu qun xian

..............page:11

lv fei tian guang lu ai si hao gao chan zai pei zhong de zao fa wen ti
hua zhong nong xue yuan nong zuo 72 ji e cheng she hui jiao xue zu

..............page:7

lue lun ru fa dou zheng yu wo guo gu dai nong ye ke xue ji shu de fa zhan
xie zuo zi

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