湖北林业科技

The growth status of plantlets regeneration from basal Magnolia officinalis Rehd.et Wils.after cutting down and the same tree-age of seedlings were investigated,furthermore,the influence on sprout shoots with different treatments,including the tree-age cut down,and earthed and unearthed up the roots were compared.The results showed that growth speeds and increasing ranges of height,ground diameter and breast diameter of sprout shoots were higher than those of seedlings,and the difference were much bigger wi...