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September 10, 2025AgronomyOpen Access

Regulated Deficit Irrigation Improves Yield Formation and Water and Nitrogen Use Efficiency of Winter Wheat at Different Soil Fertility Levels

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Grain yield significantly increased with soil fertility levels, achieving a maximum of 9361.98 kg·ha−1 under F3 treatment.
Regulated deficit irrigation improved nitrogen partial factor productivity under F1 treatment, but this was reduced under higher fertility levels.
Water use efficiency exhibited a parabolic response to soil fertility and was significantly enhanced by regulated deficit irrigation.
TOPSIS analysis indicated that the combination of regulated deficit irrigation and moderate fertility (F1) optimized yield and resource utilization.

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Implication

Field experiment showed that regulated deficit irrigation increased grain yield and water use efficiency in winter wheat, highlighting soil fertility's role.

Cite This Study

Wu et al. (2025) studied this question.

synapsesocial.com/papers/68c1ad5c54b1d3bfb60e5714 https://doi.org/10.3390/agronomy15081874

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Implication

Field experiment showed that regulated deficit irrigation increased grain yield and water use efficiency in winter wheat, highlighting soil fertility's role.

Regulated Deficit Irrigation Improves Yield Formation and Water and Nitrogen Use Efficiency of Winter Wheat at Different Soil Fertility Levels

Key Points

Discussion

Implication

Cite This Study

Regulated Deficit Irrigation Improves Yield Formation and Water and Nitrogen Use Efficiency of Winter Wheat at Different Soil Fertility Levels

Key Points

Discussion

Implication

Cite This Study

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