Co-application of charcoal and wood ash to improve potassium availability in tropical mineral acid soils

Potassium (K) is a macronutrient required by plants for energy production, enzyme activation, formation of cell wall, production of protein, and photosynthesis. However, K in the soil solution is leached from the rhizosphere before it interacts with soil colloids because of the abundance of kaolinit...

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Main Authors: Paramisparam, Puvan, Haruna, Osumanu Ahmed, Omar, Latifah, Huck, Ywih Ch'ng, Johan, Prisca Divra, Hamidi, Nur Hidayah
Format: Article
Published: Multidisciplinary Digital Publishing Institute 2021
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author Paramisparam, Puvan
Haruna, Osumanu Ahmed
Omar, Latifah
Huck, Ywih Ch'ng
Johan, Prisca Divra
Hamidi, Nur Hidayah
author_facet Paramisparam, Puvan
Haruna, Osumanu Ahmed
Omar, Latifah
Huck, Ywih Ch'ng
Johan, Prisca Divra
Hamidi, Nur Hidayah
author_sort Paramisparam, Puvan
collection UPM
description Potassium (K) is a macronutrient required by plants for energy production, enzyme activation, formation of cell wall, production of protein, and photosynthesis. However, K in the soil solution is leached from the rhizosphere before it interacts with soil colloids because of the abundance of kaolinite clay minerals in mineral acid soils such as Ultisols and Oxisols. These soils are highly weathered, low in organic matter, low in pH, but high aluminium (Al), and iron (Fe) ions. As a result, K becomes unavailable for plants, and this affects crop production and farmers’ profitability. This problem has steered the attention to the application of amendments to minimise K loss. Animal manures, plant residues, and composts applications are some of the corrective measures taken to improve the K availability in tropical acid soils. However, there is dearth of information on co-application of charcoal and wood ash as soil amendments to improve the K availability and the changes they cause to the dynamic equilibrium of K in mineral acid soils. Hence, this review discusses the dynamics, availability of K, and proposed mechanisms involved when charcoal and wood ash are used to amend tropical acid soils. The optimisation and understanding of the role of charcoal and wood ash co-application as soil amendments have potential benefits to improve the K availability and physicochemical properties of mineral acid soils.
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spelling upm.eprints-964172023-01-26T02:02:55Z http://psasir.upm.edu.my/id/eprint/96417/ Co-application of charcoal and wood ash to improve potassium availability in tropical mineral acid soils Paramisparam, Puvan Haruna, Osumanu Ahmed Omar, Latifah Huck, Ywih Ch'ng Johan, Prisca Divra Hamidi, Nur Hidayah Potassium (K) is a macronutrient required by plants for energy production, enzyme activation, formation of cell wall, production of protein, and photosynthesis. However, K in the soil solution is leached from the rhizosphere before it interacts with soil colloids because of the abundance of kaolinite clay minerals in mineral acid soils such as Ultisols and Oxisols. These soils are highly weathered, low in organic matter, low in pH, but high aluminium (Al), and iron (Fe) ions. As a result, K becomes unavailable for plants, and this affects crop production and farmers’ profitability. This problem has steered the attention to the application of amendments to minimise K loss. Animal manures, plant residues, and composts applications are some of the corrective measures taken to improve the K availability in tropical acid soils. However, there is dearth of information on co-application of charcoal and wood ash as soil amendments to improve the K availability and the changes they cause to the dynamic equilibrium of K in mineral acid soils. Hence, this review discusses the dynamics, availability of K, and proposed mechanisms involved when charcoal and wood ash are used to amend tropical acid soils. The optimisation and understanding of the role of charcoal and wood ash co-application as soil amendments have potential benefits to improve the K availability and physicochemical properties of mineral acid soils. Multidisciplinary Digital Publishing Institute 2021 Article PeerReviewed Paramisparam, Puvan and Haruna, Osumanu Ahmed and Omar, Latifah and Huck, Ywih Ch'ng and Johan, Prisca Divra and Hamidi, Nur Hidayah (2021) Co-application of charcoal and wood ash to improve potassium availability in tropical mineral acid soils. Agronomy-Basel, 11 (10). art. no. 2081. pp. 1-15. ISSN 2073-4395; ESSN: 2073-4395 https://www.mdpi.com/2073-4395/11/10/2081 10.3390/agronomy11102081
spellingShingle Paramisparam, Puvan
Haruna, Osumanu Ahmed
Omar, Latifah
Huck, Ywih Ch'ng
Johan, Prisca Divra
Hamidi, Nur Hidayah
Co-application of charcoal and wood ash to improve potassium availability in tropical mineral acid soils
title Co-application of charcoal and wood ash to improve potassium availability in tropical mineral acid soils
title_full Co-application of charcoal and wood ash to improve potassium availability in tropical mineral acid soils
title_fullStr Co-application of charcoal and wood ash to improve potassium availability in tropical mineral acid soils
title_full_unstemmed Co-application of charcoal and wood ash to improve potassium availability in tropical mineral acid soils
title_short Co-application of charcoal and wood ash to improve potassium availability in tropical mineral acid soils
title_sort co application of charcoal and wood ash to improve potassium availability in tropical mineral acid soils
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AT omarlatifah coapplicationofcharcoalandwoodashtoimprovepotassiumavailabilityintropicalmineralacidsoils
AT huckywihchng coapplicationofcharcoalandwoodashtoimprovepotassiumavailabilityintropicalmineralacidsoils
AT johanpriscadivra coapplicationofcharcoalandwoodashtoimprovepotassiumavailabilityintropicalmineralacidsoils
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