ArticleFrontiers in plant science2025
Foliar magnesium application improves sweet corn yield: boosting nutrient uptake and grain carbohydrate under dense planting condition.
Article in Frontiers in plant science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Regulatory effects of plant growth regulators and micro-fertilizers on recovery of fragrant rice seedlings from simulated transplanting injury.Frontiers in plant science · 2026Article
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9 authors.
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Abstract
Magnesium (Mg) plays a critical role in regulating yield and grain quality in corn. However, its management is often overlooked in cultivation, particularly under high-density planting conditions, where intensified nutrient competition can exacerbate Mg deficiency. To address the knowledge gap in Mg management strategies, we conducted three-season field trials (2021-2022) evaluating foliar spraying with different concentrations of Mg fertilizer under dense planting conditions. The results showed that foliar spraying with 4% Mg significantly increased sweet corn fresh ear yield, ear weight, grain fresh weight, and grains per ear, while reducing the abortion rate compared to the foliar water spraying (CK) treatment across all three seasons. Foliar spraying with 4% Mg markedly increased dry matter, N, K, Ca, and Mg accumulation in sweet corn over two seasons in 2022. The ear leaf Soil Plant Analysis Development (SPAD) value under 4% Mg treatment increased by an average of 6.9% and 9.3% at the R1 and R3 stages, respectively, compared to CK treatment. Although 21.1% of total Mg accumulation (16.9 kg ha
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