Agrochemicals 1972 Issue 1 xin you ji lin sha chong ji duo mie lin de yan jiu

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Agrochemicals
1006-0413
1972 Issue 1

xin you ji lin sha chong ji duo mie lin de yan jiu
lin xin ;

..............page:40

lv dai yi zuo ben an lei chu cao ji de yan jiu . mou xie lv dai yi zuo ben an lei hua he wu de chu cao huo xing

..............page:12-18+60

yi jiu qi nian guo ji hua xue zhan lan hui zhan chu de nong yao
. . mei er ni ke fu ; xie fan ; ma jun ;

..............page:54-60

san jia an dai zuo zuo he cheng zhi ming lin shi yan zong jie

..............page:38-40

an ji jia suan zuo xi sha chong ji

..............page:41-54

jiang di nong yao ru ji zhong ru hua ji yong liang de yan jiu
zuo ji ;

..............page:40+38

ya lin suan san jia zuo ( zuo jiao huan fa ) zhong xing shi yan ji shu bao gao

..............page:1-11+60

mao cao ku zhong xing shi yan ji shu xiao jie

..............page:19-21+23