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Growth, biomass accumulation and foliar nutrient status in fragrant rosewood (Dalbergia odorifera TC Chen) seedlings cultured with conventional and exponential fertilizations under different photoperiod regimes

文献类型： 外文期刊

作者： Li, Xiaowen 1 ; Gao, Yuan 1 ; Wei, Hongxu 3 ; Xia, Haitao 1 ; Chen, Qiuxia 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Zhejiang Inst Subtrop Crops, Lab Forestry & Ecol, Wenzhou 325005, Zhejiang, Peoples R China

2.Zhejiang A&F Univ, Sch Forestry & Biotechnol, Hangzhou, Zhejiang, Peoples R China

3.Chinese Acad Sci, Northeast Inst Geog & Agr Ecol, Changchun 130102, Jilin, Peoples R China

关键词： Huanghuali;nutrient loading;prolonged photoperiod;fertilizer application;nursery culture

期刊名称：SOIL SCIENCE AND PLANT NUTRITION （ 影响因子：2.389； 五年影响因子：2.525 ）

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收录情况： SCI

摘要： In this study, fragrant rosewood (Dalbergiaodorifera T.C. Chen) seedlings were cultured with conventional and exponential fertilization treatments at rates of 2 and 4g plant(-1) (15-9-12), and an unfertilized control under the natural photoperiod and extended photoperiods with supplementary lighting for 3 and 6h. Seedlings under the extended photoperiods had greater height but less root-collar diameter than those under the natural photoperiod. The extended photoperiod with supplementary lighting for 3h resulted in the greatest biomass in stem and root. Apparent nutrient dilution was found from October 2015 to January 2016 in most fertilization treatments, which, however, was counted by the treatment of exponential fertilization at 4g plant(-1). Vector analysis indicated that the treatment of extended photoperiod with supplementary lighting for 3h induced nutrition depletion for nitrogen (N) and phosphorus (P) relative to the natural photoperiod, while the exponential fertilization treatment induced luxury consumption for all elements of N, P and potassium (K) relative to the control. In conclusion, the extended photoperiod of supplementary lighting for 3h was recommended for the culture of fragrant rosewood seedlings, and the exponential fertilization resulted in better nutritional status by counting nutrient dilution relative to the conventional fertilization.

  • 相关文献

[1]Nutrient Uptake and Utilization by Fragrant Rosewood (Dalbergia odorifera) Seedlings Cultured with Oligosaccharide Addition under Different Lighting Spectra. Li, Xiao-Wen,Chen, Qiu-Xia,Lei, Hai-Qing,Wang, Jin-Wang,Yang, Sheng,Wei, Hong-Xu. 2018

[2]Effect of exponential fertilization on growth and nutritional status in Buddhist pine (Podocarpus macrophyllus [Thunb.] D. Don) seedlings cultured in natural and prolonged photoperiods. Wei, Hongxu,Ren, Jun,Zhou, Jianghua. 2013

[3]Exponential nutrient loading shortens the cultural period of Larix olgensis seedlings. Duan, Jie,Xu, Chengyang,Ma, Luyi,Wei, Hongxu,Jiang, Lini,Duan, Jie,Ma, Luyi,Jacobs, Douglass F.,Wei, Hongxu,Ren, Jun. 2013

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