Rational application of combined fertilizers improved tea growth and quality components

IF 3.5 2区农林科学 Q1 AGRICULTURE, MULTIDISCIPLINARY Journal of the Science of Food and Agriculture Pub Date : 2025-02-11 DOI:10.1002/jsfa.14181

Ali Raza, Liu Li, Lin Luo, Muhammad Ahsan Asghar, Noman Shoaib, Chunying Yin

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Abstract

BACKGROUND

The excessive and sole use of chemical fertilizers has been found to deteriorate tea quality components. Therefore, to explore the effects of rational application of combined organic and chemical fertilizers on tea growth and quality, a pot experiment was conducted with six treatments of rational and combined organic fertilizer (OF) and chemical fertilizer (CF) which were as follows: control (no fertilizer was applied), 0OF/CF100 (only CF was applied), 25OF/75CF (25% OF + 75% CF), 50CF/50OF (50% OF + 50% CF), 75OF/25CF (75% OF + 25% CF), and 100OF/0CF (only OF was applied). The biomass of tea plant, net photosynthetic rate, chloroplast ultrastructure, and tea quality components including tea polyphenols (TPs), flavonoids, sugars, catechins, caffeine, total amino acids (TAAs), chlorophyll pigments and TP/TAA were measured.

RESULTS

Compared to control, all fertilization treatments significantly improved tea growth, biomass, and quality components including soluble sugars, TAAs, catechins, caffeine, polyphenols and flavonoids in tea leaves. Among all fertilization treatments, 75OF/25CF and 50OF/50CF treatments had higher plant shoot biomass; 75OF/25CF and 100OF/0CF treatments significantly improved chloroplast ultrastructure and increased net photosynthetic rate, and had higher TAAs, polyphenols, catechins and caffeine contents; while 75OF/25CF treatment had higher sugar content and lowest TP/TAA. The principal component analysis (PCA) further explored that 75OF/25CF and 100OF/0CF treatments improved quality components in tea leaves in comparison to the application of only chemical fertilizers.

CONCLUSION

The 75OF/25CF and 100OF/0CF treatments enhanced both tea growth and quality, which indicate that rational and combination of organic and chemical fertilization or organic management had high potential to improve tea growth and the production of high-yield and better-quality tea leaves. © 2025 Society of Chemical Industry.

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合理施用复合肥对茶叶生长和品质成分有促进作用。

背景：过量和单一使用化学肥料已被发现会使茶叶品质成分变质。因此，为探讨有机肥与化肥合理配施对茶叶生长和品质的影响，采用有机肥与化肥合理配施6种处理，分别为对照（不施肥）、0OF/CF100（只施肥）、25OF/75CF （+ 75% CF的25%）、50CF/50OF （+ 50% CF的50%）、75OF/25CF （+ 25% CF的75%）、100OF/0CF（只施肥）。测定了茶树生物量、净光合速率、叶绿体超微结构以及茶多酚（TPs）、类黄酮、糖、儿茶素、咖啡因、总氨基酸（TAAs）、叶绿素色素和TP/TAA等茶叶品质成分。结果：与对照相比，所有施肥处理均显著提高了茶叶的生长、生物量和茶叶中可溶性糖、TAAs、儿茶素、咖啡因、多酚和黄酮类物质的质量成分。在所有施肥处理中，75OF/25CF和50OF/50CF处理的植株茎部生物量较高；75OF/25CF和100OF/0CF处理显著改善了叶绿体超微结构，提高了净光合速率，提高了TAAs、多酚、儿茶素和咖啡因含量；而75OF/25CF处理的糖含量较高，TP/TAA最低。主成分分析（PCA）进一步揭示了75OF/25CF和100OF/0CF处理与单纯施用化肥相比，提高了茶叶品质成分。结论：75OF/25CF和100OF/0CF处理对茶叶生长和品质均有促进作用，说明合理施用有机肥与化肥或有机管理相结合具有促进茶叶生长和生产高产优质茶叶的潜力。©2025化学工业协会。

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来源期刊

Journal of the Science of Food and Agriculture 工程技术-农业综合

CiteScore

8.10

自引率

4.90%

发文量

634

审稿时长

3.1 months

期刊介绍： The Journal of the Science of Food and Agriculture publishes peer-reviewed original research, reviews, mini-reviews, perspectives and spotlights in these areas, with particular emphasis on interdisciplinary studies at the agriculture/ food interface. Published for SCI by John Wiley & Sons Ltd. SCI (Society of Chemical Industry) is a unique international forum where science meets business on independent, impartial ground. Anyone can join and current Members include consumers, business people, environmentalists, industrialists, farmers, and researchers. The Society offers a chance to share information between sectors as diverse as food and agriculture, pharmaceuticals, biotechnology, materials, chemicals, environmental science and safety. As well as organising educational events, SCI awards a number of prestigious honours and scholarships each year, publishes peer-reviewed journals, and provides Members with news from their sectors in the respected magazine, Chemistry & Industry . Originally established in London in 1881 and in New York in 1894, SCI is a registered charity with Members in over 70 countries.