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蘸根处理方式对彰武松造林成效的影响——以北京山区为例
鄢鹏1, 李国雷1, 冉红达2, 孟鹏3, 杨晓晖4
1.北京林业大学 林学院, 北京 100083;2.北京国土丹青工程技术有限公司, 北京 100083;3.辽宁省固沙造林研究所, 辽宁 阜新 123000;4.中国林业科学研究院 荒漠化研究所, 北京 100091
摘要:
[目的] 探究不同蘸根处理对彰武松造林效果及生长表现的影响,为推动北京地区生态环境的发展提供科学参考。[方法] 在北京市密云区采用完全随机区组试验,以清水为对照,设置复合微生物菌剂、ABT-3生根粉和两者1:1混合3种处理,研究不同处理对5 a生彰武松造林其成活率、生长量、叶片性状、干物质量以及造林成本影响。[结果] 单施ABT-3号生根粉的地径、地下生物量、造林成活率、造林成本效果最佳;单施复合微生物菌剂的苗高、地径、年均生长量、地上干物质量、总干物质量、针叶厚度、针叶面积、叶绿素含量效果最佳;混合处理的各测定指标均低于单施处理,但高于对照处理。[结论] 在北京地区进行彰武松造林实践生产中,除了采用常规抚育管理外,建议合理使用复合微生物菌剂。它不仅能够提高造林成活率,而且还可以促进苗木生长发育,加快成林步伐,提高林分品质,最终达到改善北京市环境的目标。
关键词:  彰武松  造林  造林成本  ABT生根粉  微生物菌剂
DOI:10.13961/j.cnki.stbctb.2019.05.013
分类号:S725.71
基金项目:中央林业科技推广示范资金“彰武松苗木繁育及在北京地区的示范与推广项目(京2016)”(TG02);中央级公益性科研院所基本科研业务费专项资金“‘一带一路’荒漠化治理技术集成与应用”(CAFYBB2017ZA006)
Effects of Root Treatment Methods on Pinus Densiflora var. Zhangwuensis -An Afforestation Efficiency Case Study in a Beijing Mountainous Area
Yan Peng1, Li Guolei1, Ran Hongda2, Meng Peng3, Yang Xiaohui4
1.College of Forestry, Beijing Forestry University, Beijing 100083, China;2.Beijing Green Land High-tech Co, Ltd, Beijing 100083, China;3.Liaoning Sand-fixation and Afforestation Research Institute, Fuxin, Liaoning 123000, China;4.Institution of Desertification, Chinese Academy of Forestry, Beijing 100091, China
Abstract:
[Objective] The effects of different root treatments on the growth performance of Pinus densiflora var. zhangwuensis were studied in order to provide a science-based method to boost afforestation in the Beijing City.[Methods] A completely randomized block experiment was conducted in Miyun District of Beijing City. The experiment was conducted to study the effects of different treatments on the survival rate, growth rate, leaf traits, dry matter content of 5-year-old Pinus densiflora var. zhangwuensis, including compound microbial agent, ABT-3 rooting powder and a 1:1 mixture of the two treatments.[Results] When applying the ABT-3 rooting powder alone, the ground diameter, underground biomass, afforestation survival rate and afforestation cost were the best; when applying compound microbial agents alone, seedling height, ground diameter, annual average growth, dry matter quality on the ground, the total dry matter quality, needle thickness, needle area and chlorophyll content were the best of all; The measured indexes of the mixed treatment were lower than the single treatment, but higher than the control treatment.[Conclusion] In the afforestation of Pinus densiflora var. zhangwuensis in Beijing City, in addition to the conventional tending management, the use of compound microbial agents may not only improve the survival rate of afforestation, but also promote the growth and development of seedlings, accelerate the pace of forestation, and improve the stand quality, and ultimately achieve the goal of improving the environment of the Beijing City.
Key words:  Pinus densiflora var. zhangwuensis  afforestation  afforestation cost  ABT rooting powder  compound microbial agent