ISBN: 9787537565752 - 【赠视频】高效养鸡技术书大全+鸡病防治手册 鉴别诊断图谱治疗鸡饲料配方养鸡鸭鹅技术书肉鸡蛋鸡土鸡散养 (1 Ergebnisse)

paperback. Zustand: New. Pub Date: 2014-02-01 Pages: 214 Language: Chinese Publisher: Hebei Science and Technology Press efficient beekeeping technology from the biological characteristics of beekeeping. bee nutrition. selection criteria bee. bee efficient cultivation methods. aspects of bees feeding and management. prevention and treatment of common diseases such as bees. elaborated high efficiency. optimization techniques of beekeeping. including bee keeping alive the box is to provide a concrete and feasible for b.…