|
<div class="quote"><b>以下是引用<i>xyp</i>在2006-8-30 19:43:39的发言:</b><br/><p>呵呵~~专家是不一样啊,大家一看就知道原理。<img title="em17" alt="" src="http://www.mshua.net/Skins/Default/emot/em17.gif" style="CURSOR: pointer;"/><img title="em17" alt="" src="http://www.mshua.net/Skins/Default/emot/em17.gif" style="CURSOR: pointer;"/><img title="em17" alt="" src="http://www.mshua.net/Skins/Default/emot/em17.gif" style="CURSOR: pointer;"/><br/>我只会照书上写的去做,却说不出个道道。<img title="em04" alt="" src="http://www.mshua.net/Skins/Default/emot/em04.gif" style="CURSOR: pointer;"/><img title="em04" alt="" src="http://www.mshua.net/Skins/Default/emot/em04.gif" style="CURSOR: pointer;"/><img title="em04" alt="" src="http://www.mshua.net/Skins/Default/emot/em04.gif" style="CURSOR: pointer;"/></p></div><p></p><p>其实我只是大概说说道理,如果真的要细说,就必须详细了解植物的维管束了。</p><p></p><p>这个原理在园艺上应用很多的,比如说将桃树枝条木质部折断,而不弄伤树皮,使营养集中在被折断的部位,明年就容易开花结果。</p> |
|