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Journal article
Release Kinetics of Boron in Acidic Soils as Affected by Calcium Form Different Sources
Applied and environmental soil science, Vol.2024(1), 6418954
2024
Abstract
Boron (B) release mechanism is vital in supplying available B, particularly in acidic soils, because a temporary B deficiency can be triggered when liming the soil. This research was conducted with the aim at elucidating the role of Ca on B release kinetics in three acidic soils of Thailand to ascertain the kinetic release of B as affected by added calcium (Ca) from two sources: ground limestone (GL) and calcium chloride (CaCl2). Topsoil samples were incubated with either GL or CaCl2 at 0, 0.5, 1.0, or 1.5 times of the lime requirement for 7 days; thereafter, the soil pH and the kinetics of B release were analyzed based on successive extractions with 0.01 M CaCl2 solution for 72 h, which was comparatively described using four kinetic models: Elovich, parabolic diffusion, power function, and first-order of which each model would differently provide unique insights into the kinetic release of plant nutrient from soil. The added Ca significantly affected B release into the soil with the release kinetics of B in the two-time segments only conforming to the power function model in which approximately 70% of B was released rapidly during the initial phase and the rest was in a slow-release phase later on. Compared at the same rates of Ca applied, CaCl2 accelerated more B release than GL with no statistical difference in some soils. This was directly impacted by a decrease in soil pH as significantly caused by the addition of CaCl2. In addition, the B release rate significantly correlated with soil organic matter (r = 0.699(& lowast;& lowast;), p < 0.01). Our findings suggested that increasing soil organic matter should be recommended to provide more B availability but liming or using GL as a Ca source should be cautious as it can lead to B deficiency for plants grown in these acidic soils.
Details
- Title
- Release Kinetics of Boron in Acidic Soils as Affected by Calcium Form Different Sources
- Authors/Creators
- Roongnapa Bowichean - Bur Agr Commod Promot & Management, Dept Agr Extens, Bangkok, ThailandRichard William Bell - Murdoch University, Centre for Sustainable Farming SystemsMiaomiao Cheng - Murdoch University, Centre for Sustainable Farming SystemsSuphicha Thanachit - Kasetsart Univ, Fac Agr, Dept Soil Sci, Bangkok, ThailandSomchai Anusontpornperm - Kasetsart Univ, Fac Agr, Dept Soil Sci, Bangkok, Thailand
- Publication Details
- Applied and environmental soil science, Vol.2024(1), 6418954
- Publisher
- Wiley
- Number of pages
- 12
- Grant note
- Kasetsart University Research and Development Institute (KURDI), Bangkok, Thailand FF(KU1.66) / Kasetsart University Research and Development Institute Agricultural Research Development Agency (Public Organization) or ARDA Bangkok, Thailand
- Identifiers
- 991005726578607891
- Copyright
- © 2024 Roongnapa Bowichean et al.
- Murdoch Affiliation
- Centre for Sustainable Farming Systems; SoilsWest
- Language
- English
- Resource Type
- Journal article
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