Henan nong zuo wu ke yan cheng guo xuan bian
By: Henan sheng nong lin ke xue yuan zhu bian
Edition: Di 1 ban
Publisher: Henan ke xue ji shu chu ban she; Henan sheng xin hua shu dian fa xing
Published: 1982
Place of publication: [Zhengzhou shi]
Language: chi
Number of pages: 253
Subjects: Field crops