Synergistic effects of biochar and biostimulants on nutrient and toxic element uptake by pepper in contaminated soils
EntityUAM. Departamento de Geología y Geoquímica; UAM. Departamento de Química Agrícola
10.1002/jsfa.11343Journal of the Science of Food and Agriculture 102.1 (2021): 167-174
ISSN0022-5142 (print); 1097-0010 (online)
Funded byWe thank the agronomic technicians Manuel Campos Macossay and Carlos Rodriguez Orta for the location of the soil and supply of materials. This article is the result of a research project ‘Compar ison of agronomic efficiency between Huma Gro® products and mineral conventional fertilizers’ funded by Bio Huma Netics Inc. (Gilbert, Arizona, USA). Bio Huma Netics Inc. did not participate in the experimental procedures or in the evaluation of the results
SubjectsBiostimulant; Biochar; Capsicum annuum; Toxic elements; Plant growth; Leonardite; Química
Rights© 2021 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry
Esta obra está bajo una licencia de Creative Commons Reconocimiento-NoComercial-SinObraDerivada 4.0 Internacional.
BACKGROUND: Nowadays a significant amount of land contaminated with toxic elements is being used for agriculture, posing a serious risk of crop contamination and toxicity. Several methodologies are being used to remediate soil contamination, including the use of amendments such as biochar. This work evaluated the effects of biochar combined with different fertirrigations (water, a conventional fertilizer solution, or a fertilizer solution with a commercial biostimulant derived from leonardite) on the availability of toxic elements and nutrients for pepper cultivated in a soil contaminated with As, Cd, Pb, and Zn. RESULTS: Irrigation with fertilizer solutions improved plant growth regardless of the biochar amendment. Biochar decreased the bioavailability of Cu and Pb in soil and the Cu content in pepper leaves. Combined with fertilization, biochar also decreased plant As and Pb content. Biochar combined with biostimulant decreased the bioavailable content of Cd in soil and its uptake by pepper plants. CONCLUSION: The use of biochar and biostimulant presented advantages for plant production in a non-suitable scenario of nutrient scarcity and contamination
Google Scholar:Antón-Herrero, Rafael - Vega-Jara, Liliana - García-Delgado, Carlos - Mayans, Begoña - Camacho-Arévalo, Raquel - Moreno Jiménez, Eduardo - Plaza, César - Eymar Alonso, Enrique
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