How application of agricultural waste can enhance soil health in soils acidified by tea cultivation: a review
Le, Viet San | Herrmann, Laetitia | Hudek, Lee | Nguyen, Thi Binh | Bräu, Lambert | Lesueur, Didier | Deakin University [Burwood] | Northern Mountainous Agriculture and Forestry Science Institute (NOMAFSI) | The Alliance of Bioversity International and International Center for Tropical Agriculture (CIAT) [Hanoi] ; Alliance of Bioversity International and the International Center for Tropical Agriculture (CIAT) [Rome] (Alliance) ; Consultative Group on International Agricultural Research [CGIAR] (CGIAR)-Consultative Group on International Agricultural Research [CGIAR] (CGIAR) | International Center for Tropical Agriculture [Hanoï] (CIAT Asia) ; International Center for Tropical Agriculture [Colombie] (CIAT) ; Consultative Group on International Agricultural Research [CGIAR] (CGIAR)-Consultative Group on International Agricultural Research [CGIAR] (CGIAR) | Independent Researcher [Vietnam] | Département Performances des systèmes de production et de transformation tropicaux (Cirad-PERSYST) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad) | Ecologie fonctionnelle et biogéochimie des sols et des agro-écosystèmes (UMR Eco&Sols) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut de Recherche pour le Développement (IRD)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut Agro Montpellier ; Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro) | Deakin University and Alliance of Bioversity International and International Center for Tropical Agriculture (CIAT), Asia Hub
International audience
Показать больше [+] Меньше [-]Английский. 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.
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