不同豆科绿肥间作对茶园土壤环境和茶叶质量的影响

IF 4.1 2区 生物学 Q2 MICROBIOLOGY
Pinqian Zhou, Mengjuan Chen, Qiang Bao, Hua Wang, Yuanjiang Wang, Haiping Fu
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引用次数: 0

摘要

绿肥间作是一种土壤可持续种植方法,对茶叶生长和茶园土壤环境有积极影响。然而,有关豆科绿肥品种对茶园影响的研究却很少。本研究旨在分析茶叶质量和土壤环境成分对三种不同豆科绿肥间作的响应,这三种豆科绿肥分别是 Cassia sophera cv. Chafei 1 (CF)、Sesbania cannabina (Retz.) Pers.(SC)和 Chamaecrista rotundifolia (Pers.) Greene (CR),并施用 70% 的化肥,然后将它们与茶园中不施用 100% 化肥(CK)的间作绿肥进行比较。结果表明,与 CK 处理相比,SC 间作提高了茶叶氨基酸含量、土壤有机碳 (SOC)、土壤酸性磷酸酶 (ACP)、土壤酸性蛋白酶 (ACPT) 和细菌多样性。与 CR 间作提高了 ACP 活性和细菌多样性,而与 CF 间作提高了多酚含量。在间作绿肥的茶园中,蛋白质细菌、酸性细菌、放线菌和固着菌是主要的细菌类群。间作绿肥后,茶叶中的 SOC 含量与氨基酸含量呈强正相关。典型对应分析表明,ACP 与尿素酶活性之间、ACP 与 ACPT 之间存在显著关联,且两者均与 SC 密切相关。这一发现说明,与 SC 间作可通过影响 SOC 含量、土壤酶活性和土壤细菌多样性对茶叶品质产生积极影响。绿肥间作可以替代部分化肥,改善茶园土壤环境,提高茶叶品质。这些发现为选择豆科绿肥、推进茶园可持续发展提供了理论参考。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Effect of Intercropping with Different Leguminous Green Manures on the Soil Environment and Tea Quality in Tea Plantations.

Intercropping with green manure is a soil-sustainable cultivation practice that has demonstrated positive impacts on tea growth and the soil environment in tea plantations. Nevertheless, research examining the effect of leguminous green manure varieties in tea plantations is scarce. This study aimed to analyze the tea quality and soil environment components in response to intercropping with three distinct leguminous green manures, Cassia sophera cv. Chafei 1 (CF), Sesbania cannabina (Retz.) Pers. (SC), and Chamaecrista rotundifolia (Pers.) Greene (CR), with 70% chemical fertilizer, and compare them to non-intercropped green manures with 100% chemical fertilizer (CK) in tea plantations. The findings indicated that intercropping with SC increased the amino acids content of tea leaves, the soil organic carbon (SOC), the soil acid phosphatase (ACP), the soil acid protease (ACPT), and the bacterial diversity compared to the CK treatment. Intercropping with CR improved the ACP activity and bacterial diversity while intercropping with CF improved the polyphenols. Proteobacteria, Acidobacteria, Actinomycetes, and Firmicutes were identified as the dominant bacterial taxa in tea plantations with intercropped green manure. A strong positive correlation was indicated between the SOC contents and the amino acids content in tea leaves after intercropping. A canonical correspondence analysis indicated significant associations between the ACP and the urease activity, and between the ACP and ACPT, and both were closely linked to SC. This finding provides an explanation that intercropping with SC may positively affect tea quality by influencing the SOC content, the soil enzyme activity, and the soil bacterial diversity. Green manure intercropping may replace part of chemical fertilizers, improve the soil environment in tea gardens, and enhance the quality of tea. These findings offer a theoretical reference for selecting leguminous green manure and advancing the sustainable development of tea plantations.

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来源期刊
Microorganisms
Microorganisms Medicine-Microbiology (medical)
CiteScore
7.40
自引率
6.70%
发文量
2168
审稿时长
20.03 days
期刊介绍: Microorganisms (ISSN 2076-2607) is an international, peer-reviewed open access journal which provides an advanced forum for studies related to prokaryotic and eukaryotic microorganisms, viruses and prions. It publishes reviews, research papers and communications. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files and software regarding the full details of the calculation or experimental procedure, if unable to be published in a normal way, can be deposited as supplementary electronic material.
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