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Soils and Fertilizers
1002-0616
1978 Issue 4
kai ken huang di de nong ye ji shu
he lie xun ;
..............page:16-17
ti gao hua fei li yong lv de tu jing
liu zong heng ; sun zu zuo ; luo yi yun ;
..............page:20-22
chang xiao liu yi niao su
fang ping ;
..............page:39
tu rang you ji wu ji fu he du ce ding fa
fu ji ping ; zhang shao de ; zuo jin hai ;
..............page:40-42
xue xi yun yong bian zheng fa gai liang yan jian di
zhao shou ren ; wu chang yin ;
..............page:7-10