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

High-molecular-weight dissolved organic matter enhanced phosphorus availability in paddy soils: Evidence from field and microcosm experiments

Haibo Wang, Xipeng Liu, Bingjie Jin, Yuchen Shu, Chengliang Sun, Yong‐Guan Zhu, Xianyong Lin

Soil and Tillage Research · 2024

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Summary

This 2024 study investigates the role of high-molecular-weight dissolved organic matter in enhancing phosphorus bioavailability in paddy soils, combining field observations with controlled laboratory experiments. As suggested by the title, the research demonstrates that HMW-DOM plays a functional role in phosphorus cycling and plant availability in rice-growing systems. The findings may inform organic matter management strategies in paddy agriculture to optimise nutrient cycling.

UK applicability

Direct applicability to UK paddy systems is limited, as commercial rice cultivation is minimal in the United Kingdom. However, the mechanistic insights into dissolved organic matter and phosphorus cycling may inform soil management practices in UK arable and vegetable systems where phosphorus availability is a concern.

Key measures

Phosphorus availability, dissolved organic matter composition and molecular weight fractions, soil bioavailable phosphorus, microbial activity related to phosphorus cycling

Outcomes reported

The study examined how high-molecular-weight dissolved organic matter (HMW-DOM) influences phosphorus availability in paddy soil systems through both field and controlled microcosm experiments.

Theme
Farming systems, soils & land use
Subject
Soil fertility & nutrient management
Study type
Research
Study design
Field trial with microcosm experiments
Source type
Peer-reviewed study
Status
Published
Geography
China
System type
Arable cereals
DOI
10.1016/j.still.2024.106099
Catalogue ID
SNmov5jw56-3h5m05

Topic tags

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