What question did this study set out to answer?

This research aims to understand how long-term mineral phosphorus and cattle manure inputs affect organic phosphorus and soil organic carbon dynamics in soil aggregates.

June 18, 2026BMC Plant BiologyOpen Access

Unlocking organic phosphorus and carbon in soil aggregates under long-term P and manure inputs

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This research aims to understand how long-term mineral phosphorus and cattle manure inputs affect organic phosphorus and soil organic carbon dynamics in soil aggregates.
Long-term field experiment with mineral P fertilization rates of 0, 13, 26, and 39 kg P ha−1, CM, and integrated treatments.
Soil samples were fractionated by aggregate size to assess organic P fractions and SOC retention.
Measurements included soil pH, Olsen-P status, and wheat yield to evaluate treatment effects.
Labile organic P increased with mineral P to 26 kg ha−1, especially in macroaggregates (> 2.3 mm).
Integrated P26 + CM increased organic P fractions by 18% (HGP) and 23% (MDP) compared to CM alone.
Maximum wheat yields occurred at 13 kg P ha−1 in HGP soils and 26 kg P ha−1 in MDP soils, with integrated treatments yielding the highest overall.

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Implication

Randomized trial evaluates phosphorus and manure effects on soil carbon and wheat yield under different soil phosphorus statuses, suggesting integration enhances productivity.

Cite This Study

Singh et al. (2026) studied this question.

synapsesocial.com/papers/6a338d85630953a74978e783 https://doi.org/10.1186/s12870-026-09264-5

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Implication

Randomized trial evaluates phosphorus and manure effects on soil carbon and wheat yield under different soil phosphorus statuses, suggesting integration enhances productivity.

Unlocking organic phosphorus and carbon in soil aggregates under long-term P and manure inputs

Key Points

Discussion

Implication

Cite This Study

Unlocking organic phosphorus and carbon in soil aggregates under long-term P and manure inputs

Key Points

Discussion

Implication

Cite This Study

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