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<p>The calcareous soils possessed higher soil pH with poor nutrient availability. Pea production is generally low in calcareous soils. Balanced nutrition is necessary for the sustainable productivity of vegetables. Hence, current research aimed to evaluate the impact of silicon supplementation on pea growth, yield, physiological, and biochemical indices under calcareous soil conditions. Silicon treatments significantly enhanced pea growth, yield, physiological, and biochemical indices growing in calcareous soils. Present results illustrated that pea growth in terms of plant height, fresh biomass, number of branches, and number of leaves was enhanced with silicon supplementation. Moreover, pea yield in terms of pods fresh weight, number of pods, and number of seeds per pod was also higher in silicon-treated plants. biochemical indices, i.e., ascorbic acid, total phenolics, carotenoids, and flavonoids, were boosted in pea plants treated with silicon concentrations. Physiological indices, i.e., chlorophyll a, chlorophyll b, and total chlorophyll were noticeably enhanced, demonstrating heightened photosynthetic effectiveness. Correlation matrix and variable plot exhibited significant correlation among the studied traits. Moreover, heatmap illustrated that silicon 150&#xa0;ppm disclosed the most pronounced improvements in growth, yield, and biochemical indices. The applied silicon concentrations significantly mitigate the adverse effects that occur from calcareous soils in pea plants. Hence, silicon supplementation is an excellent remedy to improve pea growth and yield by modulation of physiological and biochemical indices.</p>

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Silicon Improves Growth, Yield, and Biochemical Traits of Pea in Calcareous Soil

  • 期刊论文

  • 发表日期：

    2026年1月5日

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  • Cheng Song,
  • Zarina Bibi,
  • Riaz Ahmad,
  • Hafiza Muniba Din Muhammad

摘要

The calcareous soils possessed higher soil pH with poor nutrient availability. Pea production is generally low in calcareous soils. Balanced nutrition is necessary for the sustainable productivity of vegetables. Hence, current research aimed to evaluate the impact of silicon supplementation on pea growth, yield, physiological, and biochemical indices under calcareous soil conditions. Silicon treatments significantly enhanced pea growth, yield, physiological, and biochemical indices growing in calcareous soils. Present results illustrated that pea growth in terms of plant height, fresh biomass, number of branches, and number of leaves was enhanced with silicon supplementation. Moreover, pea yield in terms of pods fresh weight, number of pods, and number of seeds per pod was also higher in silicon-treated plants. biochemical indices, i.e., ascorbic acid, total phenolics, carotenoids, and flavonoids, were boosted in pea plants treated with silicon concentrations. Physiological indices, i.e., chlorophyll a, chlorophyll b, and total chlorophyll were noticeably enhanced, demonstrating heightened photosynthetic effectiveness. Correlation matrix and variable plot exhibited significant correlation among the studied traits. Moreover, heatmap illustrated that silicon 150 ppm disclosed the most pronounced improvements in growth, yield, and biochemical indices. The applied silicon concentrations significantly mitigate the adverse effects that occur from calcareous soils in pea plants. Hence, silicon supplementation is an excellent remedy to improve pea growth and yield by modulation of physiological and biochemical indices.