论文部分内容阅读
黄花梨幼树修剪反应及整形初探￥湖南省岳阳县林业局＠周久来￥湖南省岳阳市农业局＠杨风雄黄花梨幼树修剪反应及整形初探１黄花梨幼树修剪反应１９９６年２月在岳阳县对４００多株２年生黄花梨树进行了常规整形修剪。即按疏散分层形剪出第一层三主枝和一部分侧枝，长势强的树剪...
Pruning reaction and shaping of pear young tree ¥ ¥ Yueyang County of Hunan Province Forestry Bureau @ Zhou Julai ¥ Yueyang City, Hunan Province Bureau of Agriculture @ Yang Feng Xiong pear young tree pruning reaction and shaping 1 pear young tree pruning February 1996 in Yueyang County on the more than 400 strains of 2-year-old pear trees were conventional plastic trim. That is, according to the evacuation layered shape cut out the first three main branches and part of the side branches, growing strong tree cut ...