缓释肥及其施用方式对雷竹光合特性的影响

胡俊靖; 何奇江; 华锦欣; 田楠; 雷亦晨; 蔡婷; 陈丽华

缓释肥及其施用方式对雷竹光合特性的影响

杭州市林业科学研究院, 浙江杭州 310022

基金项目:

杭州市科技发展计划项目（计划编号：20180432B27）

详细信息

作者简介:
胡俊靖,硕士研究生,工程师,从事竹林培育和经济林研究与推广。E-mail:jujinghu@126.com。

通讯作者:
何奇江,博士研究生,研究员,从事竹林培育研究与推广。E-mail:heqijiang@21cn.com

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出版历程
- 收稿日期: 2021-01-05
- 网络出版日期: 2021-09-10

Effects of Slow-Release Fertilizer and Its Application Method on the Photosynthetic Characteristics of Phyllostachys violascens

Hangzhou Forestry Academy, Hangzhou 310022, Zhejiang, China

摘要

摘要: 以雷竹为试验材料，设置常规施肥、穴施缓释肥和沟施缓释肥3个处理，研究缓释肥施用对雷竹叶片叶绿素含量和光合特性指标的影响。结果表明：缓释肥处理下雷竹叶片的光合性能较常规施肥出现明显提升，雷竹叶片的叶绿素含量、净光合速率、气孔导度、胞间CO₂浓度、水分利用效率较常规施肥均有不同程度的提升，气孔限制值出现一定程度的下降；雷竹叶片的光合生理对缓释肥施肥方式的响应具有明显的“年龄效应”，缓释肥沟施对1年生和2年生雷竹光合性能的提高都具有显著效果。因此，在雷竹经营过程中，建议可以将缓释肥沟施作为外界养分输入的主要方式。
- 雷竹 /
- 缓释肥 /
- 施用方式 /
- 光合特性
Abstract: In order to study the effects of slow-release fertilizer and its application method on the photosynthetic characteristics of Phyllostachys violascens, the chlorophyll content and photosynthetic characteristics of Ph. violascens leaves were determined with three treatments, i.e. conventional fertilization, hole or furrow application of slow-release fertilizer. The results showed that the photosynthetic performance of Ph. violascens leaves under slow-release fertilizer treatment was significantly improved compared with conventional fertilization. The chlorophyll content, photosynthetic rate, stoma conductance, intercellular CO₂ concentration and water use efficiency of Phyllostachys violascens leaves increased in different degrees compared with conventional fertilization, and the stomatal limitation decreased; the photosynthetic physiology of Phyllostachys violascens leaves had an obvious "age effect" in response to slow-release fertilizer application method; both 1-year-old and 2-year-old Phyllostachys violascens were significantly improved by furrow application of slow-release fertilizer. Therefore, it is recommended to use slow-release fertilizer by furrow application as the main method of external nutrient input in practice.
- Phyllostachys violascens /
- Slow-release fertilizer /
- Application method /
- Photosynthetic characteristics

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