2018 (94)
2019 (48)
https://www.youtube.com/watch?v=YqIvBM4Gy7U
pruning seal
嫁接
1: 高壓嫁接
https://kknews.cc/home/864r234.html 文字版
http://www.duorouhuapu.com/html/2016/08-07/66561.html
https://www.youtube.com/watch?v=3PhCFwyF0gc
2: 扡插
https://www.youtube.com/watch?v=Xw4d-s9N8zE