[1]胡支舰,庾金武,陈健,等.氮沉降对低磷胁迫下毛竹实生幼苗生长及土壤化学特性的影响[J].浙江林业科技,2021,41(02):17-22.[doi:10.3969/j.issn.1001-3776.2021.02.003]
 HU Zhi-jian,YU Jin-wu,CHEN Jian,et al.Effect of Nitrogen Deposition on Growth of Phyllostachys edulis Seedlings and Soil Chemical Properties under Low Phosphorus Stress[J].Journal of Zhejiang Forestry Science and Technology,2021,41(02):17-22.[doi:10.3969/j.issn.1001-3776.2021.02.003]
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氮沉降对低磷胁迫下毛竹实生幼苗生长及土壤化学特性的影响()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
41
期数:
2021年02期
页码:
17-22
栏目:
综述
出版日期:
2021-04-20

文章信息/Info

Title:
Effect of Nitrogen Deposition on Growth of Phyllostachys edulis Seedlings and Soil Chemical Properties under Low Phosphorus Stress
文章编号:
1001-3776(2021)02-0017-06
作者:
胡支舰庾金武陈健翁昌华宋付平应叶青
浙江农林大学,省部共建亚热带森林培育国家重点实验室,浙江 杭州 311300
Author(s):
HU Zhi-jianYU Jin-wuCHEN JianWENG Chang-huaSONG Fu-pingYING Ye-qing
State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou 311300, China
关键词:
氮沉降低磷胁迫毛竹生长特性化学特性
Keywords:
nitrogen deposition low phosphorus stress Phyllostachys edulis growth traits chemical properties
分类号:
S714.8;S795.7
DOI:
10.3969/j.issn.1001-3776.2021.02.003
文献标志码:
A
摘要:
为了探究氮沉降对低磷土壤化学性状及毛竹Phyllostachys edulis 实生幼苗生长的影响,以毛竹实生幼苗 为材料,设计了4 个不同的土壤磷水平P0(2.29 mg·kg-1)、P1(5 mg·kg-1)、P2(7.29 mg·kg-1)、P3(10 mg·kg-1), 同时模拟了3 个不同的氮沉降水平N0(0 kg·hm-2·a-1)、N1(30 kg·hm-2·a-1)、N2(60 kg·hm-2·a-1),分析氮沉降 对低磷土壤的电导率、pH 和N、P、K 含量,以及毛竹实生幼苗生长的影响。结果表明,与对照相比,单独氮 沉降(P0N2)显著提高低磷土壤电导率、有效氮含量、有效磷含量(P<0.05),分别比对照增加30.01%、75.00% 和9.76%;降低低磷土壤pH、显著降低土壤速效钾含量,降幅分别为-1.52%和-33.96%(P<0.05)。氮沉降 (P0N2)显著增加毛竹幼苗生物量和根冠比(P<0.05),分别比对照增加了24.59%和76.38%;氮沉降(P0N2) 能抑制株高和叶面积的生长,分别比对照下降了14.04%和0.95%,但差异不显著(P>0.05)。上述结果表明, 一定量的氮沉降对低磷胁迫下毛竹实生幼苗生长有有利影响。
Abstract:
On November 1st 2018, current year seeds of Phyllostachys eduli were collected from Lin’an, Zhejiang province, and were sowed in containers on November 20th of the same year. The soil was from 1m depth of Ph. eduli stand. On January 20th 2019, seedlings were transplanted in containers for experiment of different phosphorus treatments (2.29, 5, 7.29 and 10 mg·kg-1) and different nitrogen deposition (0, 30, 60 kg/ha) a year. The treatment of 2.29 mg·kg-1 of phosphorus and 0 nitrogen was the control. In March 2019, determinations were conducted on soil conductivity, pH, N, P, K content, and growth traits of Ph. edulis seedlings. The results showed that the treatment with 2.29 mg·kg-1 phosphorus and 60 kg/ha nitrogen could significantly increase soil conductivity, available nitrogen and available phosphorus by 30.01%, 75.00% and 9.76% of the control, and could reduce soil pH, significantly reduce available potassium soil by -1.52% and -33.96%. The treatment significantly increased the biomass and root shoot ratio of Ph. edulis seedlings by 24.59% and 76.38%, while inhibited the height and leaf area growth by 14.04% and 0.95%, but not significantly.

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相似文献/References:

[1]宋思睿,烟亚萍,宣丹娟,等.集约经营毛竹林土壤酶活性对模拟氮沉降的初期响应[J].浙江林业科技,2015,35(02):62.

备注/Memo

备注/Memo:
收稿日期:2020-11-07;修回日期:2021-02-03
基金项目:国家自然科学基金项目(31770645);浙江农林大学学生科研训练项目(KX20180035)
作者简介:胡支舰,本科,从事森林培育研究;E-mail:1095164029@qq.com。通信作者:应叶青,博士,教授,从事森林培育研究;E-mail: 845464062@ qq. com。
更新日期/Last Update: 2021-04-20