Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

The molecular size continuum of soil organic phosphorus and its chemical associations

Jolanda E. Reusser, Federica Tamburini, Andrew L. Neal, René Verel, Emmanuel Frossard, Timothy I. McLaren

Geoderma · 2022

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Summary

This 2022 study by Reusser et al. advances understanding of soil organic phosphorus chemistry through detailed characterisation of how phosphorus species vary across a molecular size continuum and their chemical associations within soil matrices. Using advanced analytical methods, the authors map the distribution and bonding patterns of organic phosphorus forms, contributing to mechanistic knowledge of phosphorus availability and cycling in agricultural soils. The findings, as suggested by the title and journal scope, have implications for predicting phosphorus mobilisation and bioavailability under different soil and management conditions.

UK applicability

Understanding phosphorus speciation in soils is relevant to UK farming, particularly given regulatory pressures to reduce phosphorus losses to water and optimise nutrient use efficiency. The molecular characterisation approach could inform interpretation of phosphorus availability in contrasting UK soil types and contribute to more precise phosphorus fertiliser recommendations.

Key measures

Molecular size distribution of organic phosphorus; chemical speciation and associations of phosphorus fractions in soil samples

Outcomes reported

The study characterised the molecular size continuum of soil organic phosphorus and mapped its chemical associations with other soil components. The research employed advanced analytical techniques to distinguish phosphorus species across different molecular weight ranges in soil.

Theme
Farming systems, soils & land use
Subject
Soil fertility & nutrient management
Study type
Research
Study design
Laboratory study
Source type
Peer-reviewed study
Status
Published
System type
Laboratory / in vitro
DOI
10.1016/j.geoderma.2022.115716
Catalogue ID
SNmp2b2gqh-wxetew

Topic tags

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