果树嫁接实用技术(视频)
果树嫁接实用技术上 http://player.youku.com/player.php/sid/XMzMxNDM1MTgw/v.swf
果树嫁接实用技术下 http://player.youku.com/player.php/sid/XMTAwNzI2MzAw/v.swf
现场讲解果树修剪技术 http://player.youku.com/player.php/sid/XMzMxNjIwOTA4/v.swf
果树修剪整形基础知识 http://player.youku.com/player.php/sid/XNTY1MTU1NjA=/v.swf
|
|