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              怎样生产果面全红的红富士苹果

              时间:09-06-30来源: 作者:Admin 收藏

               一、培养中庸偏强的树势
              中庸树的叶绿素、可溶性固形物含量及果实着色指数均比虚旺树、弱树高。骨干枝、结果枝二者粗度比为25%时,结出的果实个头大,着色好;二者粗度比大于30%时,果实个头虽大,但着色差。骨干枝、结果枝二者长势均弱,不仅果个小,而且着色不正常。因此,保持中庸健壮的树势,对于生产红富士全红果是至关重要的。
                  二、树冠内保证充足的光照
               

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