氰氮化鈣肥料淺記
By: Zhongguo nong cun fu xing lian he wei yuan hui Zhong Mei he zu bian
Publisher: Zhongguo nong cun fu xing lian he wei yuan hui
Published: 1949
Place of publication: Taibei
Language: chi
Other titles: Qing dan hua gai fei liao qian ji; Calcium cyanamide fertilizer