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This study aims to assess how different seeding rates and fertilization modes impact the grain yield and resource utilization of winter wheat.

July 15, 2026AgricultureOpen Access

Effects of Seeding Rate and Fertilization Mode on Canopy Light Utilization, Dry Matter Accumulation, and Grain Yield of Wheat

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This study aims to assess how different seeding rates and fertilization modes impact the grain yield and resource utilization of winter wheat.
Experiment utilized a wheat cultivar Yunong 804 with three seeding rates (187.5, 225, 262.5 kg·ha−1) and two fertilization modes (conventional and controlled-release)
Evaluated the effects on photosynthetically active radiation (PAR) and dry matter accumulation
Conducted correlation analysis and principal component analysis (PCA) to determine relationships among variables.
At 225 kg·ha−1 seeding rate, LAI and IPAR peaked, improving grain yield by 5–23.69% with controlled-release fertilizer
One-time application of controlled-release fertilizer significantly enhanced LAI, CAR, PUE, PCE, and DMA compared to conventional fertilization
Grain yield showed stronger correlations with PUE, PCE, and DMA rather than CAR.

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Randomized trial investigates seeding rate and fertilization mode effects on grain yield in wheat, suggesting optimal management strategies.

Xie et al. (2026) studied this question.

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Randomized trial investigates seeding rate and fertilization mode effects on grain yield in wheat, suggesting optimal management strategies.