[1]胡厚臻,侯文娟,潘启龙,等. 配方施肥对刨花润楠幼苗生长和光合生理的影响[J].西北林学院学报,2015,30(06):39-45.[doi:doi:10.3969/j.issn.1001-7461.2015.06.07]
　HU Hou-zhen,HOU Wen-juan,PAN Qi-long,et al. Effects of Formulated Fertilization on the Growth and Photosynthetic Physiological Properties of Machilus pauhoi Seedlings[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2015,30(06):39-45.[doi:doi:10.3969/j.issn.1001-7461.2015.06.07]
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 配方施肥对刨花润楠幼苗生长和光合生理的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第30卷
期数:
2015年06期
页码:
39-45
栏目:
出版日期:
2015-11-30

文章信息/Info

Title:
 Effects of Formulated Fertilization on the Growth and Photosynthetic Physiological Properties of Machilus pauhoi Seedlings
文章编号:
1001-7461(2015)06-0039-07
作者:
 胡厚臻1; 侯文娟1; 潘启龙1; 2; 周袁慧子1; 王艺锦1; 王凌晖1; 滕维超1
 （1.广西大学 林学院，广西 南宁 530005；2.中国林科院 热带林业实验中心，广西 凭祥 532600）
Author(s):
 HU Hou-zhen1;  HOU Wen-juan1;  PAN Qi-long1; 2;  ZHOU Yuan-huizi1;  WANG Yi-jin1;  WANG Ling-hui1;  TENG Wei-chao1*
 (1. Forestry College, Guangxi University, Nanning, Guangxi 530005, China; 2. Experimental Center of Tropical Forestry, Chinese Academy of Forestry, Pingxiang, Guangxi 532600, China)
关键词:
 ; 刨花润楠; 氮磷钾配比; 光合生理; 施肥
Keywords:
Machilus pauhoi;  NPK formula;  photosynthetic physiology character; fertilization
分类号:
S725.5
DOI:
doi:10.3969/j.issn.1001-7461.2015.06.07
文献标志码:
A
摘要:
 采用正交试验设计，研究不同配比施肥对刨花润楠幼苗生长和光合生理的影响。对生长及光合生理指标测定表明，不同处理的刨花润楠的地径生长量比对照（CK）提高9.14%~123.60%；株高生长量比CK提高10.14%~86.12%；生物量比CK提高0.85%~74.87%。对刨花润楠光合指标影响是叶绿素总含量比CK增加12.58%~67.65%；净光合速率（Pn）值比CK提高6.0%~294.33%；蒸腾速率(Tr)值比CK提高27.80%~280.51%；气孔导度(Gs)值比CK提高0~300.00%；施肥对胞间CO2浓度(Ci)值的影响呈现一定的波动，CK的胞间CO2浓度(Ci)值最高。氮肥是影响株高、生物量生长、总叶绿素含量以及光合生理指标的重要因子，钾肥是影响地径生长的重要因子。综合评价表明，施肥量为N：240 mg·株-1、P：36 mg·株-1、K：162 mg·株-1 (按纯N、P、K含量计算)对刨花润楠的生长和生理指标的促进作用最显著。
Abstract:
 The fertilization experiment was carried out by using an L9(34) orthogonal design and regression analysis to examine the effects of different combined fertilization of nitrogen (N), phosphorus (P) and potassium (K) on the growth and physiological of the Machilus pauhoi seedlings. The results showed that the ground diameter, height growth, biomass of the potted seedlings increased by 9.14%-123.60%, 10.14%-86.12%, and 0.85%-74.87%, respectively than those of the control. The total chlorophyll content, net photosynthetic rate (Pn), transpiration rate (Tr), and stomatal conductance (Gs) increased by 12.58%-67.65%, 6.00%-294.33%, 27.80%-280.51% and 0-300.00% than the control. Intercellular CO2 concentration (Ci) presented some fluctuation. Maximum value of Ci was found in the control seedlings. Analysis showed that the growth indices of height, biomass, total chlorophyll content and the photosynthetic physiological indices were decided by the content of nitrogen, and the ground diameter was decided by the content of potassium. The comprehensive evaluation showed that the fertilization treatment No. 2 (N1P2K2) could significantly promote the growth and photosynthetic physiological indices of M. pauhoi, and recommended application rates of N, P and K were 240, 36 mg·plant-1 and 162 mg·plant-1, respectively.

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备注/Memo

备注/Memo:
 收稿日期：2014-10-31 修回日期：2015-01-28
基金项目：广西林业科技“十二五”项目（桂林科字[2012]第27号）。
作者简介：胡厚臻，男，在读硕士，研究方向：森林培育。E-mail：hhz494@qq.com
*通信作者：滕维超，男，博士，讲师，研究方向：森林培育及土壤生态学。E-mail：vincentt@yeah.net
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