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This study examines how different seed mixtures affect grassland responses to drought, focusing on water use efficiency.

June 4, 2026EcohydrologyOpen Access

Mitigating Drought Effects on Grasslands: The Potential of Different Seed Mixtures to Optimize Water Use Efficiency

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This study examines how different seed mixtures affect grassland responses to drought, focusing on water use efficiency.
Two hay-meadow seed mixtures tested in experimental garden with drought and wet irrigation levels.
Measured water fluxes, aboveground/belowground phytomass, and AMF spore productivity over 62 days.
Utilized 12 small-scale lysimeters to assess drought impact on plant performance.
Both mixtures showed similar reductions in evapotranspiration and aboveground phytomass during drought.
The conservative mixture had higher water use efficiency (WUE), promoting better growth under limited water.
Acquisitive mixture exhibited reduced root:shoot ratio and AMF spore abundance compared to the conservative mixture.

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Randomized trial compares drought response of different seed mixtures in grasslands, suggesting optimal strategies for water efficiency.

Tello-García et al. (2026) studied this question.

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