Effects of nitrogen and phosphorus supply on growth and physiological traits of two Larix species

doi:10.1016/j.envexpbot.2016.06.006

	Effects of nitrogen and phosphorus supply on growth and physiological traits of two Larix species
	Li, JY; Guo, QX; Zhang, JX; Korpelainen, H; Li, CY; Li, CY (reprint author), Zhejiang A&F Univ, State Key Lab Subtrop Silviculture, Nurturing Stn, Linan 311300, Zhejiang, Peoples R China.
刊名	ENVIRONMENTAL AND EXPERIMENTAL BOTANY
	2016
卷号	130 页码:206-215
关键词	Nutrient Limitation Fertilization Photosynthesis Nutrient Concentration Productivity
DOI	10.1016/j.envexpbot.2016.06.006
产权排序	1
文献子类	Article
英文摘要	To investigate how nitrogen (N) and phosphorus (P) fertilization affect plant growth, biomass accumulation and allocation, leaf N and P concentration, and also eco-physiological responses of Larix species with contrasting growth characteristics, slow growing (L. olgensis) and fast growing (L. kaempferi) saplings grown in larch plantation soil were exposed to different N and P regimes. The results showed that N and combined N and P (NP) fertilization promoted growth with a higher biomass accumulation, height growth rate (GR(H)), net photosynthesis rated (P-n), and photosynthetic P-use efficiency (PPUE) in both species, while P fertilization alone had a positive effect on the growth of L. olgensis but a negative effect on that of L. kaempferi. Moreover, N and NP fertilization increased the photosynthetic N -use efficiency (PNUE) of L. olgensis, while all fertilization treatments decreased that of L. kaempferi. Furthermore, P fertilization increased the N concentration of L. olgensis leaves but had no influence on that of L. kaempferi leaves, while it decreased the NSC concentration of L. olgensis leaves but stimulated the accumulation of starch, fructose and NSC in L kaempferi leaves. In addition, L kaempferi with higher GRH showed a greater biomass accumulation, growth, P-n, PNUE, and PPUE when compared to L. olgensis, except for biomass and PPUE under P fertilization and PNUE under N fertilization. These results indicated that the N and P balance rather than the absolute amount of them enhances the growth of L. kaempferi effectively, and P fertilization affects the morphological and physiological traits of the two larch species differently. We propose that the distinct effects of P fertilization on the two larch species were related to different regulation effects of P fertilization on the N concentration, and on the accumulation and transportation of photosynthetic products. (C) 2016 Elsevier B.V. All rights reserved.
学科主题	Plant Sciences ; Environmental Sciences & Ecology
资助项目	Korpelainen, Helena/0000-0002-7046-6995
项目编号	Li, Chunyang/D-6254-2013
语种	英语
资助机构	National Key Basic Research Program of China [2012CB416901] ; National Key Basic Research Program of China [2012CB416901] ; Qingyuan Experimental Station, Institute of Applied Ecology, Chinese Academy of Sciences (CAS) ; Qingyuan Experimental Station, Institute of Applied Ecology, Chinese Academy of Sciences (CAS) ; National Key Basic Research Program of China [2012CB416901] ; National Key Basic Research Program of China [2012CB416901] ; Qingyuan Experimental Station, Institute of Applied Ecology, Chinese Academy of Sciences (CAS) ; Qingyuan Experimental Station, Institute of Applied Ecology, Chinese Academy of Sciences (CAS)
内容类型	期刊论文
源URL	[http://210.75.237.14/handle/351003/28105]
专题	成都生物研究所_生态研究
通讯作者	Li, CY (reprint author), Zhejiang A&F Univ, State Key Lab Subtrop Silviculture, Nurturing Stn, Linan 311300, Zhejiang, Peoples R China.
推荐引用方式 GB/T 7714	Li, JY,Guo, QX,Zhang, JX,et al. Effects of nitrogen and phosphorus supply on growth and physiological traits of two Larix species[J]. ENVIRONMENTAL AND EXPERIMENTAL BOTANY,2016,130:206-215.
APA	Li, JY,Guo, QX,Zhang, JX,Korpelainen, H,Li, CY,&Li, CY .(2016).Effects of nitrogen and phosphorus supply on growth and physiological traits of two Larix species.ENVIRONMENTAL AND EXPERIMENTAL BOTANY,130,206-215.
MLA	Li, JY,et al."Effects of nitrogen and phosphorus supply on growth and physiological traits of two Larix species".ENVIRONMENTAL AND EXPERIMENTAL BOTANY 130(2016):206-215.