ISBN: 9787111577065 - 蜂 正版 王瑞生 9787111577065 (1 risultati)

paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 2017-11-01 Pages: 148 Publisher: mechanical industry publishing house book. in the form of graphic combination. bee resources in our country was introduced in detail. biological characteristics. feeding equipment and tools. the traditional breeding method. box technology. active box feeding basic operation technology. different periods of breeding management technology and DiHai main disease prevention and control technology. etc.This book illustrated.…