Table · dataset · 2026
Data Sheet 1_Season-specific nitrogen management shapes soil microbial communities and crop productivity in wheat–maize rotation system.docx
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<p>Based on a long-term positioned field experiment in a wheat-maize double-cropping system, the regulatory mechanisms of nitrogen fertilizer legacy on soil-crop coordination and microbial functions remain unclear.
Description
A two-year field experiment was conducted with four treatments: CK: no N fertilizer applied during either wheat or maize seasons; W1M0: N carryover only during the winter wheat season; W0M1: N carryover only during the summer maize season; W1M1: N carryover during both wheat and maize seasons.
Compared with the unfertilized control (CK), W1M0 and W0M1 increased average annual yields by 45.7% and 42.2%, respectively, while W1M1 increased by 58.6%. On average, W1M1 produced the highest yield (21.8 t ha<sup>-1</sup>), with W1M0 and W0M1 achieving 91.9% and 89.7% of W1M1 yield, respectively. fertilization increased the abundance of predicted chemoheterotrophic functions. W0M1 influenced predicted N-transformation functions and fungal guilds.
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Bacterial community composition responded more strongly than fungal communities. Soil-crop coupling coordination varied dynamically with growth stages and N management patterns. PLS-SEM revealed that soil nitrogen content from the preceding wheat season explained 97.5% of the variance in subsequent maize soil physicochemical properties, which was 2.65 times higher than the corresponding explanatory power of maize-season N (36.8%), indicating a stronger predictive legacy of wheat-season N application on soil-crop coordination.
In conclusion, seasonal N coordination is more crucial than total N input. Leveraging the superior legacy effect of wheat-season N application provides a scientific basis for precise fertilization regulation in rotation systems.</p>
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Where it is published
- DOI doi.org/10.3389/fpls.2026.1938392.s001 ↗
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- OAI-PMH record api.figshare.com/v2/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai%3Af… ↗
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Topics
Provenance · 1 source records, 17 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| figshare | oai:figshare.com:article/33829336 | 12 d ago | JSON v1 |
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| title | source · figshare com | connector:figshare_com@1.0.0 | /metadata/dc/title |