不同处理对锥栗容器苗生长及质量的影响

史亮; 代林利; 张羽嘉; 杨滨豪; 刘闵豪; 彭建; 肖兴翠

doi:10.11929/j.swfu.202506010

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不同处理对锥栗容器苗生长及质量的影响

Effects of Container Size, Substrate Composition and Controlled-Release Fertilizer Dosage on the Growth and Quality of Castanea henryi Container Seedlings

摘要

摘要: 为探究容器规格、基质配比和缓释肥用量对锥栗容器苗生长及质量的影响，采用3因素4水平正交设计，对1年生锥栗容器苗各处理的苗高、地径及生物量进行测定、计算高径比，并采用隶属函数法进行综合分析。结果表明：基质配比（A）、缓释肥用量（C）及基质配比和缓释肥用量（A × C）的交互作用对锥栗容器苗的生长均有显著影响，而容器规格（B）对锥栗容器苗生长影响不显著。苗高和地径的隶属函数值最高的处理组合为A₃B₁C₂和A₂B₁C₃，综合成本及苗木生长考虑，最适合锥栗容器育苗的处理为A₃B₁C₂。

Abstract:
Objective To investigate the effects of container size, substrate composition, and controlled-release fertilizer dosage on the growth and quality of Castanea henryi container seedlings, providing theoretical support and practical guidance for cultivating high-quality seedlings.
Methods The experiment adopted an orthogonal design, with three main variables: substrate composition（A）, container size（B）, and controlled-release fertilizer dosag（C）e. Sixteen treatments were set up, and seedling height, ground diameter and biomass of one-year-old C.henryi container seedlings under all treatments were measured,with the height-diameter ratio calculated. Membership function analysis was used for comprehensive evaluation.
Results Substrate composition（A）、 controlled-release fertilizer dosage（C） and the interaction between them （A × C）significantly affected the growth of C.henryi container seedlings, whereas container size had no significant effec. The treatments with the highest membership function values for seedling height and ground diameter were A₃B₁C₂ and A₂B₁C₃. Considering cost and seedling growth, the most suitable treatment for container seedling cultivation was A₃B₁C₂.
Conclusion Comprehensive analysis suggests that the optimal combination for cultivating C.henryi container seedlings involves using 6cm × 8cm non-woven nursery bags as containers, a substrate mix of coconut coir: peat: yellow soil at a volumetric ratio of 1:2:1, and adding controlled-release fertilizer at 3 kg/m³. This combination can produce one-year-old container seedlings above 60 cm in height. This study provides a scientific basis for the efficient cultivation of C.henryi container seedlings.

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