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Hunan Forestry Science ＆ Technology. 2020, (05)

Study on selection of fertilizer formula for large diameter tree cultivation in Chinese fir plantationChinese Full Text

XU Qingqian;HUANG Fan;XU Shaodong;ZHANG Xie;WANG Xiangying;WU Chengtian;XIONG Weibing;Hunan Academy of Forestry;Jingzhou Paiyashan State-owned Forest Farm;Forestry Research Instiute of Yueyang County;

Abstract: At the tree age of 14,18, and 21 years,seven kinds of fixed treatments（including control）of fertilization were carried out three times in the same Chinese fir forest, and the standard field survey was conducted at 30 years old.The results showed that the gain of average tree height, DBH, and large diameter tree proportion ranged in 0.4%～3.5%, 3.6%～10.0%, and 3.3%～11.7%, respectively.The gain of total volume accumulation and large diameter tree volume accumulation per unit area were 3.0%～21.0% an... More
Keywords：

Chinese fir; large diameter tree; cultivation; fertilizer formula; input-to-output ratio;

  • Series：

    (D) Agriculture

  • Subject：

    Forestry

  • Classification Code：

    S791.27

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