JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2021, Vol. 45 ›› Issue (6): 65-71.doi: 10.12302/j.issn.1000-2006.202101021
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JIA Ting(), SONG Wuyun, GUAN Xinxian, WEI Zhiwen, CHEN Han, YI Min, XIONG Qihui, ZHANG Lu*()
Received:
2021-01-18
Accepted:
2021-06-20
Online:
2021-11-30
Published:
2021-12-02
Contact:
ZHANG Lu
E-mail:15180182806@163.com;zhlu856@163.com
CLC Number:
JIA Ting, SONG Wuyun, GUAN Xinxian, WEI Zhiwen, CHEN Han, YI Min, XIONG Qihui, ZHANG Lu. Responses of needle functional traits of Pinus elliottii to phosphorus addition[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2021, 45(6): 65-71.
Table 1
A basic soil overview of the test area"
指标 index | 土壤养分含量 nutrient content | pH | ||||||
---|---|---|---|---|---|---|---|---|
全氮/ (g·kg-1) total nitrogen | 全磷/ (g·kg-1) total phosphorus | 全钾/(g·kg-1) total potassium | 有机质/ (g·kg-1) organic matter | 有效磷/ (mg·kg-1) available phosphorus | 速效钾/ (mg·kg-1) available potassium | |||
值 value | 1.06 | 0.50 | 2.45 | 10.19 | 0.52 | 23.73 | 4.73 |
Table 2
The variance analysis of needle leave functional traits"
针叶功能性状 leaf functional traits | CK | P1 | P2 | P3 | 组间变异 系数/%CV | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
F | P | F | P | F | P | F | P | ||||||||||
叶长LL | 0.922 | 0.507 | 0.384 | 0.771 | 0.740 | 0.581 | 3.554 | 0.126 | 7.33 | ||||||||
叶宽DL | 4.794 | 0.082 | 0.730 | 0.586 | 3.186 | 0.146 | 0.472 | 0.718 | 6.62 | ||||||||
叶厚TL | 0.184 | 0.902 | 0.385 | 0.770 | 0.558 | 0.670 | 3.285 | 0.140 | 12.19 | ||||||||
单面弧面面积SCS | 3.977 | 0.108 | 0.623 | 0.637 | 3.169 | 0.147 | 0.639 | 0.628 | 12.83 | ||||||||
叶面积LA | 3.980 | 0.108 | 0.629 | 0.633 | 3.204 | 0.145 | 0.644 | 0.626 | 12.75 | ||||||||
叶鞘长FSL | 0.110 | 0.950 | 0.612 | 0.642 | 1.583 | 0.326 | 0.252 | 0.857 | 19.77 | ||||||||
束粗FW | 1.015 | 0.474 | 0.179 | 0.906 | 0.501 | 0.702 | 1.524 | 0.338 | 14.35 | ||||||||
叶干物质含量LDM | 0.431 | 0.742 | 2.889 | 0.166 | 3.030 | 0.156 | 6.844 | 0.047 | 17.66 | ||||||||
比叶面积SLA | 5.203 | 0.072 | 0.830 | 0.543 | 0.585 | 0.656 | 1.159 | 0.429 | 19.25 | ||||||||
相对含水率RMC | 3.257 | 0.142 | 0.156 | 0.920 | 1.517 | 0.339 | 9.000 | 0.030 | 8.90 | ||||||||
全氮含量TN content | 2.446 | 0.204 | 17.344 | 0.009 | 3.359 | 0.136 | 5.322 | 0.070 | 18.39 | ||||||||
全磷含量TP content | 2.408 | 0.208 | 13.817 | 0.014 | 4.345 | 0.095 | 2.582 | 0.191 | 11.38 | ||||||||
全钾含量TK content | 0.913 | 0.510 | 1.083 | 0.452 | 0.356 | 0.789 | 4.756 | 0.083 | 13.78 | ||||||||
有机碳含量TOC content | 0.884 | 0.521 | 0.773 | 0.567 | 1.124 | 0.439 | 0.605 | 0.646 | 6.61 |
Table 3
The correlation analysis of needle function characters"
性状 trait | 形态指标function characters | 养分含量nutrient content | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
LL | DL | TL | LA | FSL | FW | LDM | SLA | RMC | TN | TP | TK | TOC | |
LL | 1 | 0.683** | 0.220 | 0.921** | -0.013 | 0.196 | -0.894** | 0.841** | 0.496** | 0.291 | 0.860** | 0.615** | 0.427* |
DL | 1 | 0.266 | 0.912** | -0.180 | 0.373* | -0.702** | 0.833** | 0.428* | 0.005 | 0.613** | 0.471** | 0.426* | |
TL | 1 | 0.259 | -0.398* | 0.512** | -0.128 | 0.207 | -0.006 | -0.129 | 0.324 | 0.163 | 0.260 | ||
LA | 1 | -0.101 | 0.311 | -0.873** | 0.914** | 0.511** | 0.175 | 0.860** | 0.597** | 0.471** | |||
FSL | 1 | -0.481** | 0.054 | -0.085 | 0.105 | 0.612** | -0.007 | -0.242 | -0.457** | ||||
FW | 1 | -0.248 | 0.183 | 0.034 | -0.067 | 0.209 | 0.074 | 0.387* | |||||
LDM | 1 | -0.829** | -0.538** | -0.246 | -0.840** | -0.639** | -0.530** | ||||||
SLA | 1 | 0.608** | 0.119 | 0.778** | 0.633** | 0.428* | |||||||
RMC | 1 | 0.222 | 0.497** | 0.439* | 0.265 | ||||||||
TN含量 | 1 | 0.420* | 0.197 | -0.142 | |||||||||
TP含量 | 1 | 0.647** | 0.522** | ||||||||||
TK含量 | 1 | 0.399* | |||||||||||
TOC含量 | 1 |
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