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在 1 6年生较大密度杉木中龄林中培育杉木大径材 ,通过对采取不同的密度控制、土壤垦复、林分施肥试验后 6年林分的调查 ,结果表明 :低密度控制为首要关键 ,浅翻松土、追施化肥也能够有效促进林木生长 ,增加材积。
The large-diameter Chinese fir plantations were grown in 16-year-old large-density fir middle-aged forests. The investigation of 6-year stand after different density control, soil reclamation and stand fertilization test showed that low density control was the most important The key, shallow tillage, topdressing fertilizer can also effectively promote the growth of trees, increase the volume.