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Effects of Different Substrate Ratios on the Growth and Physiology of Sequoia sempervirens Container Seedlings
Compost Science & Utilization ( IF 1.188 ) Pub Date : 2019-07-03 , DOI: 10.1080/1065657x.2019.1630340
Ge-Lei Meng 1 , Dong-Tao Luan 1 , Zhi-Juan Tai 2 , Ji-Feng Deng 1 , Jian-Qiu Han 1 , Yu-Mei Zhou 1
Affiliation  

Abstract Container technology can effectively control soil environment and nutrient status to obtain the optimal plant growth condition. Peat, green waste compost (GWC), soil and perlite were used as substrate materials to study the effects of different substrate ratios on growth and physiology of 1.5-year-old Sequoia sempervirens container seedlings. The optimal substrate ratio of S. sempervirens container seedlings was obtained by L9 (34) orthogonal design and was finally evaluated by principal component analysis. The volume ratio of peat: GWC: soil: perlite of 4: 1.5: 1: 2 was the best substrate ratio for S. sempervirens across all parameters, whose porosity, bulk density (BD) and gas-water ratio (GWR) were within the ideal ranges. The concentrations of total nitrogen (TN) of 1.40% and total phosphorus (TP) of 0.13% were the highest among the nine different substrates. The total potassium (TK) and electrical conductivity (EC) were 0.13% and 0.70 ms cm−1, respectively. In addition, the plant height and ground diameter growing in the substrate were increased by 28% and 39% compared to their respective initial values. The content of peat and GCW had significant effects on growth (p < 0.01). The GWR in T2 (peat: GWC: soil: perlite = 6: 1: 0.5: 2) and T6 (peat: GWC: soil: perlite = 4: 0.5: 0.5: 1) are not suitable for S. sempervirens container seedlings. The PCA ranking of the 9 groups of substrates is: T8 > T1 > T4 > T3 > T2 > T5 > T7 > T9 > T6. The combination of peat, GWC, soil and perlite in an appropriate ratio could provide a good environment for S. sempervirens container seedlings.

中文翻译:

不同基质配比对红杉容器苗生长和生理的影响

摘要 容器技术可以有效控制土壤环境和养分状况,以获得最佳的植物生长条件。以泥炭、绿色垃圾堆肥 (GWC)、土壤和珍珠岩为基质材料,研究了不同基质比例对 1.5 年生红杉容器苗生长和生理的影响。通过L9(34)正交设计获得S. sempervirens容器苗的最佳基质配比,最终通过主成分分析进行评价。泥炭:GWC:土壤:珍珠岩的体积比为4:1.5:1:2是S. sempervirens所有参数的最佳底物比,其孔隙度、堆积密度(BD)和气水比(GWR)均在理想的范围。总氮 (TN) 浓度为 1.40%,总磷 (TP) 浓度为 0。13% 是九种不同底物中最高的。总钾 (TK) 和电导率 (EC) 分别为 0.13% 和 0.70 ms cm-1。此外,与它们各自的初始值相比,在基质中生长的植物高度和地径分别增加了 28% 和 39%。泥炭和GCW的含量对生长有显着影响(p < 0.01)。T2(泥炭:GWC:土壤:珍珠岩=6:1:0.5:2)和T6(泥炭:GWC:土壤:珍珠岩=4:0.5:0.5:1)的GWR不适合S. sempervirens容器苗。9组底物的PCA排序为:T8>T1>T4>T3>T2>T5>T7>T9>T6。适当比例的泥炭、GWC、土壤和珍珠岩的组合可以为S. sempervirens容器苗提供良好的环境。总钾 (TK) 和电导率 (EC) 分别为 0.13% 和 0.70 ms cm-1。此外,与它们各自的初始值相比,在基质中生长的植物高度和地径分别增加了 28% 和 39%。泥炭和GCW的含量对生长有显着影响(p < 0.01)。T2(泥炭:GWC:土壤:珍珠岩=6:1:0.5:2)和T6(泥炭:GWC:土壤:珍珠岩=4:0.5:0.5:1)的GWR不适合S. sempervirens容器苗。9组底物的PCA排序为:T8>T1>T4>T3>T2>T5>T7>T9>T6。适当比例的泥炭、GWC、土壤和珍珠岩的组合可以为S. sempervirens容器苗提供良好的环境。总钾 (TK) 和电导率 (EC) 分别为 0.13% 和 0.70 ms cm-1。此外,与它们各自的初始值相比,在基质中生长的植物高度和地径分别增加了 28% 和 39%。泥炭和GCW的含量对生长有显着影响(p < 0.01)。T2(泥炭:GWC:土壤:珍珠岩=6:1:0.5:2)和T6(泥炭:GWC:土壤:珍珠岩=4:0.5:0.5:1)的GWR不适合S. sempervirens容器苗。9组底物的PCA排序为:T8>T1>T4>T3>T2>T5>T7>T9>T6。适当比例的泥炭、GWC、土壤和珍珠岩的组合可以为S. sempervirens容器苗提供良好的环境。与它们各自的初始值相比,在基质中生长的植物高度和地径分别增加了 28% 和 39%。泥炭和GCW的含量对生长有显着影响(p < 0.01)。T2(泥炭:GWC:土壤:珍珠岩=6:1:0.5:2)和T6(泥炭:GWC:土壤:珍珠岩=4:0.5:0.5:1)的GWR不适合S. sempervirens容器苗。9组底物的PCA排序为:T8>T1>T4>T3>T2>T5>T7>T9>T6。适当比例的泥炭、GWC、土壤和珍珠岩的组合可以为S. sempervirens容器苗提供良好的环境。与它们各自的初始值相比,在基质中生长的植物高度和地径分别增加了 28% 和 39%。泥炭和GCW的含量对生长有显着影响(p < 0.01)。T2(泥炭:GWC:土壤:珍珠岩=6:1:0.5:2)和T6(泥炭:GWC:土壤:珍珠岩=4:0.5:0.5:1)的GWR不适合S. sempervirens容器苗。9组底物的PCA排序为:T8>T1>T4>T3>T2>T5>T7>T9>T6。适当比例的泥炭、GWC、土壤和珍珠岩的组合可以为S. sempervirens容器苗提供良好的环境。T2(泥炭:GWC:土壤:珍珠岩=6:1:0.5:2)和T6(泥炭:GWC:土壤:珍珠岩=4:0.5:0.5:1)的GWR不适合S. sempervirens容器苗。9组底物的PCA排序为:T8>T1>T4>T3>T2>T5>T7>T9>T6。适当比例的泥炭、GWC、土壤和珍珠岩的组合可以为S. sempervirens容器苗提供良好的环境。T2(泥炭:GWC:土壤:珍珠岩=6:1:0.5:2)和T6(泥炭:GWC:土壤:珍珠岩=4:0.5:0.5:1)的GWR不适合S. sempervirens容器苗。9组底物的PCA排序为:T8>T1>T4>T3>T2>T5>T7>T9>T6。适当比例的泥炭、GWC、土壤和珍珠岩的组合可以为S. sempervirens容器苗提供良好的环境。
更新日期:2019-07-03
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