Mian geng fa
By: Beijing nong ye da xue zhi wu sheng li jiao yan shi bian ji
Edition: Di 1 ban
Publisher: Ke xue chu ban she; Xin hua shu dian Beijing fa xing suo fa xing
Published: 1981
Place of publication: Beijing
Language: chi
Number of pages: 74
Subjects: No-tillage
Notes: "Nong ye ke xue can kao zi liao."