|本期目录/Table of Contents|

[1]周惠民,李畅,何丽斯,等.生物质炭对杜鹃花生长及城市绿地土壤环境的影响[J].江苏农业科学,2023,51(5):172-178.
 Zhou Huimin,et al.Impacts of biochar on azalea growth and urban soil environment[J].Jiangsu Agricultural Sciences,2023,51(5):172-178.
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生物质炭对杜鹃花生长及城市绿地土壤环境的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第51卷
期数:
2023年第5期
页码:
172-178
栏目:
园艺与林学
出版日期:
2023-03-05

文章信息/Info

Title:
Impacts of biochar on azalea growth and urban soil environment
作者:
周惠民李畅何丽斯刘晓青孙晓波郭臻昊苏家乐
江苏省农业科学院休闲农业研究所/江苏省高效园艺作物遗传改良重点实验室,江苏南京 210014
Author(s):
Zhou Huiminet al
关键词:
生物质炭土壤性质杜鹃花生长发育城市绿地
Keywords:
-
分类号:
S685.210.6
DOI:
-
文献标志码:
A
摘要:
以盆栽试验方式设置生物质炭添加量为0%(C0)、1%(C1)、2%(C2)、4%(C3)、6%(C4)、8%(C5)和10%(C6)7个处理,测定分析根际土壤理化特征、养分含量以及杜鹃花根系发育及养分积累等相关参数,研究生物质炭对嗜酸性杜鹃花生长和城市绿地土壤环境的影响。结果表明,与C0相比,高用量生物质炭(C4、C5和C6)土壤添加下根际土壤pH值显著下降(7.32%~10.14%),土壤有机质、全氮、有效磷和有效钾含量显著提高;杜鹃花叶片SPAD值和总干质量分别提高164%~209%和37.6%~69.8%;植株氮、磷和钾总积累量分别提高68.3%~125.0%、71.9%~968%,59.6%~83.7%;群体成花率>30%。添加低(C1)、中(C2和C3)用量生物质炭对杜鹃花营养生长的促进作用优于生殖生长,且对土壤理化性质的改良效应弱于高用量生物质炭。综上,高用量生物质炭的施用可较好地提高土壤肥力、优化土壤环境,并提高叶片叶绿素含量、促进杜鹃花生殖生长从而实现土壤改良与景观优化的共赢。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2022-04-11
基金项目:江苏省农业科技自主创新资金[编号:CX(22)3061];国家自然科学基金(编号:41807100);江苏省林业科技创新与推广专项(编号:LYKJ[2021]06);核心种源攻关项目(编号:JBGS[2021]095);江苏省林业发展专项(编号:苏财资环[2022]18号);江苏现代农业(花卉)产业技术体系(编号:JATS[2022]101);中央财政林业科技推广示范资金项目(编号:苏[2021]TG06号)。
作者简介:周惠民(1990—),女,江苏东台人,博士,助理研究员,主要从事杜鹃花栽培、城市退化土壤改良等研究。E-mail:zing1018@163.com。
通信作者:苏家乐,硕士,研究员,主要从事花卉新品种选育与栽培技术研究。E-mail:sujl66@aliyun.com。
更新日期/Last Update: 2023-03-05