楼主: lian1984
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2012扦插苗现状。顺便请教问题 |
发表于 2013-12-21 13:06
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发表于 2013-12-21 16:52
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点评
缺氮的植株应该是下部叶片发黄而不是上部,颜色也不是这么个黄法。
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