1001-0068
1991 Issue 2
nong ye tou zi wen ti yan jiu
gao xue ben
gao xue ben
..............page:95
he ze shi ren kou fa zhan yu ce ji gui hua yan jiu
zhang jia chang
zhang jia chang
..............page:108
he ze shi jiao yu shi ye fa zhan gui hua yan jiu
li yun cheng ; zhang jia chang
li yun cheng ; zhang jia chang
..............page:113
..............page:120
he ze shi nong cun neng yuan diao cha he gui hua
gao xue ben
gao xue ben
..............page:123
cao zhou mu dan de yan jiu kai fa yu li yong
gao xue ben ; li yun cheng
gao xue ben ; li yun cheng
..............page:130
wang luo ji hua ji shu zai guo ying nong chang nong ye sheng chan ji jie xing ying yong chu shi
qi hui zhong ; cheng qi liang
qi hui zhong ; cheng qi liang
..............page:132
shan xi sheng liang shi zong chan liang zhou qi xing zeng chang qu shi mo xing ji yu ce
sun quan min ; cao jian wu
sun quan min ; cao jian wu
..............page:136
yi li di qu zhong di chan tian lei xing hua fen biao zhun ji gai zao cuo shi
feng zhi jian ; chen zheng de
feng zhi jian ; chen zheng de
..............page:141
..............page:81
..............page:85
..............page:91
..............page:94
..............page:143
shan dong sheng lin zuo xian nong ye nei bu jie gou po xi yu dui ce
zhu kong lai ; wu zi you
zhu kong lai ; wu zi you
..............page:148
kong zhi li lun yong yu sen lin zi yuan dong tai yu ce he cai fa jue ce
zhang yu xuan ; sun xiu quan
zhang yu xuan ; sun xiu quan
..............page:151
..............page:156