Le Viet San, Herrmann Laetitia, Hudek Lee, Nguyen Thi Binh, Bräu Lambert, Lesueur Didier. 2022. How application of agricultural waste can enhance soil health in soils acidified by tea cultivation: A review. Environmental Chemistry Letters, 20 (1) : 813-839.
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Résumé : Tea is one of the world's most consumed beverages and an important crop of many developing countries. Intensive tea cultivation has negative impacts on soil health properties and the environment. While soil acidification in tea plantations is a known severe issue, there is a lack of literature analysis of the ways in which soil acidification affects soil health, tea productivity and the environment, and suitable methods to control this issue. Here, we review the mechanisms of tea soil acidification and consequences, the potential of common agricultural wastes for ameliorating soil acidity and enhancing soil health and crop productivity, as well as reducing environmental pollution under tea cultivation. We show that intensive application of mineral nitrogen is the main cause of soil acidification in tea plantations, while tea plants also play a part in accelerating tea soil acidity. Agricultural waste and byproducts have a great potential to correct soil acidity, and to enhance soil health, tea productivity and quality. These soil amendments also have drawbacks such as metal and pathogen pollution, and supplementary costs.
Mots-clés Agrovoc : déchet agricole, utilisation des déchets, amélioration des sols, qualité du sol, sol acide, Camellia sinensis, productivité des terres, acidification, amendement du sol
Mots-clés libres : Agricultural waste, Soil acidification, Biochar, Organic manure, Tea plantations, Soil health
Classification Agris : P33 - Chimie et physique du sol
P36 - Érosion, conservation et récupération des sols
Q70 - Traitement des déchets agricoles
Champ stratégique Cirad : CTS 2 (2019-) - Transitions agroécologiques
Auteurs et affiliations
- Le Viet San, Deakin University (AUS) - auteur correspondant
- Herrmann Laetitia, Deakin University (AUS)
- Hudek Lee, Deakin University (AUS)
- Nguyen Thi Binh
- Bräu Lambert, Deakin University (AUS)
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Lesueur Didier, CIRAD-PERSYST-UMR Eco&Sols (VNM)
ORCID: 0000-0002-6694-0869 - auteur correspondant
Source : Cirad-Agritrop (https://agritrop.cirad.fr/599311/)
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