吴载璋, 郭祥泉, 林建丽, 董晨玲, 郭祥堆, 郭永俊. 不同施肥处理对杉木高世代优良种源幼林生长效果的影响[J]. 西南林业大学学报, 2015, 35(3): 30-34. DOI: 10.3969/j.issn.2095-1914.2015.03.006
引用本文: 吴载璋, 郭祥泉, 林建丽, 董晨玲, 郭祥堆, 郭永俊. 不同施肥处理对杉木高世代优良种源幼林生长效果的影响[J]. 西南林业大学学报, 2015, 35(3): 30-34. DOI: 10.3969/j.issn.2095-1914.2015.03.006
WU Zai-zhang1,GUO Xiang-quan1,LIN Jian-li2,DONG Chen-ling3,GUO Xiang-dui4,GUO Yong-jun5, . Effects of Different Fertilization Treatments on Growth of Advanced Generation Superior Provenances of Young Cunninghamia lanceolata[J]. Journal of Southwest Forestry University, 2015, 35(3): 30-34. DOI: 10.3969/j.issn.2095-1914.2015.03.006
Citation: WU Zai-zhang1,GUO Xiang-quan1,LIN Jian-li2,DONG Chen-ling3,GUO Xiang-dui4,GUO Yong-jun5, . Effects of Different Fertilization Treatments on Growth of Advanced Generation Superior Provenances of Young Cunninghamia lanceolata[J]. Journal of Southwest Forestry University, 2015, 35(3): 30-34. DOI: 10.3969/j.issn.2095-1914.2015.03.006

不同施肥处理对杉木高世代优良种源幼林生长效果的影响

Effects of Different Fertilization Treatments on Growth of Advanced Generation Superior Provenances of Young Cunninghamia lanceolata

  • 摘要: 对杉木高世代优良种源子代4年生林分进行施肥试验,经2年生长期调查和分析。结果表明:A3、B3、C3处理对幼树高、胸径、冠幅生长的影响与对照比较均达到极显著差异水平,表现出良好的后续生长效应,B2、C2处理对胸径、冠幅生长保持良好持续效应,说明适当N、P、K配比能对个体的胸径生长有更好持续效果,其他处理的持续效应相对较弱,与对照比较不显著。采用尿素与复合肥按1∶2混合075kg/株施肥量的经济性状较好,2年生长期胸径生长量可高达52cm、树高生长量达25m,且对个体后续生长持续时间更长,可为杉木生产经营与低产林分提高生产量提供参考依据。

     

    Abstract: Fertilizer test was carried out on the progeny of 4yearold advanced generation provenance of Cunninghamia lanceolata stand, and then investigated the growth status of 2yearsold growth stage. The results indicated that comparing with CK, A3、B3、C3 fertilizer treatment were highly significant promoted the growth of breastdiameter, tree height and crown diameter, showing well followup growth promotion effects. B2、C2 treatment had a good sustained effect on breastdiameter and crown diameter, indicating that a suitable ratio of N、P、K were sequential improvement of the growth of breast diameter, while the effect of the other fertilizer treatments were not significant. When the ratio of carbamide and compound fertilizer was 1∶2 and fertilizing amount was 075kg/plant, the economic character of Cunninghamia lanceolata was the best, such as, in the 2 years growing period, the breastdiameter and tree height increment reached up to 52m and 25m respectively, and the followup growth could be sustain longer. The results would provide a reference for the production management and low yield stands of Cunninghamia lanceolata to increase production.

     

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