Effects of Different Fertilization Treatments on Nitrogen Content and Its Distribution Pattern in Castanopsis fissa Seedlings

doi:10.3969/j.issn.1009-7791.2017.02.009

›› 2017, Vol. 46 ›› Issue (02): 142-146.DOI: 10.3969/j.issn.1009-7791.2017.02.009

• Plant ecology, resources and taxonomy • Previous Articles Next Articles

Effects of Different Fertilization Treatments on Nitrogen Content and Its Distribution Pattern in Castanopsis fissa Seedlings

SUN Li-jing,CHEN Hong-yue

(1.Guangdong Polytechnic of Science and Trade, Guangzhou 510430, Guangdong China; 2.College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, Guangdong China)

Received:2017-04-28 Revised:2017-05-09 Online:2017-06-30 Published:2017-06-30
Contact: CHEN Hong-yue

不同施肥配比对黎蒴栲幼苗氮含量及其分布格局的影响

孙丽静,陈红跃

(1.广东科贸职业学院，广东广州 510430；2.华南农业大学林学与风景园林学院，广东广州 510642)

通讯作者: 陈红跃
作者简介:孙丽静，硕士，讲师，从事园林植物应用和森林培育研究。
基金资助:
2016年学院质量工程项目；广州省林业科技创新项目“森林高效可持续经营模式研究与示范”(2014KJCX015)

Abstract

Abstract: To discuss nitrogen content and its distribution pattern of Castanopsis fissa seedlings under different nutritional conditions, different gradient ratios fertilizing of C. fissa seedlings were carried out by uniform design. The results showed that T5 treatments (N: 0.0750 g穝train-1, P2O5: 0.3500 g穚lant-1) was best for C. fissa seedlings growth. In each growth period, N contents of root, stem or leaf were varied with different nutritional conditions, the relationship between C. fissa seedlings total N content and N application rate was positive. Nitrogen content had a trend of transferring from root to leaf with the growth of C. fissa seedlings. The correlation analysis showed that nitrogen contents of root and stem, stem and leaf showed significantly positive correlation. Nitrogen contents of root and leaf showed positive correlation.

Key words: Castanopsis fissa, nutrient addition, nitrogen content, distribution pattern

摘要： 采用均匀设计对藜蒴栲Castanopsis fissa实生幼苗进行不同配比施肥实验，探讨不同营养条件下藜蒴栲幼苗各器官氮素含量及分布格局。结果表明，T5施肥处理(N: 0.0750 g·株-1、P2O5: 0.3500 g·株-1)最有利于藜蒴栲幼苗生长。各生长时期不同营养条件下藜蒴栲苗木根、茎、叶N含量均有差异，苗木体内N总含量与N肥施用量呈正比。随时间的推移，藜蒴栲苗木N素呈现由根向叶转移的趋势。相关性分析表明，根与茎、茎与叶的N含量呈极显著正相关，根与叶N含量呈显著正相关。

关键词: 藜蒴栲, 养分添加, 氮含量, 分布格局

CLC Number:

S792.17

SUN Li-jing,CHEN Hong-yue. Effects of Different Fertilization Treatments on Nitrogen Content and Its Distribution Pattern in Castanopsis fissa Seedlings[J]. , 2017, 46(02): 142-146.

孙丽静,陈红跃. 不同施肥配比对黎蒴栲幼苗氮含量及其分布格局的影响[J]. , 2017, 46(02): 142-146.

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Effects of Different Fertilization Treatments on Nitrogen Content and Its Distribution Pattern in Castanopsis fissa Seedlings

不同施肥配比对黎蒴栲幼苗氮含量及其分布格局的影响

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