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May 6, 2026Journal of soil science and plant nutritionOpen Access

Optimizing Leafy Vegetable Production with Minimal Fertilizer Use: Insights from Biochar and Compost Amendments

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Authors

ECEmanuela CampanaMCMichele CirielloAFAngelo Forte

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Overview

Randomized trials evaluate crop yield and nutrient uptake in leafy vegetables with biochar and compost, suggesting tailored agronomic strategies.

Key Points

  • The study aims to optimize leafy vegetable production by assessing the effects of biochar and compost on crop yield and nutrient uptake.
  • Conducted three experiments with lettuce, spinach, and arugula under varying fertilization regimes (none, suboptimal, optimal).
  • Evaluated combinations of compost and biochar amendments in relation to crop yield and nutrient uptake.
  • Analyzed the impact of soil amendments on nitrate concentration in leafy vegetables.
  • Combining biochar and compost generally increased crop yield, but varied across experiments.
  • Spinach and arugula showed increased nitrate concentrations of +31.44% and +84.55% (first cut) to +112.79% (second cut) respectively.
  • Arugula yield improved by 16.44% in the first cut under optimal conditions, demonstrating the need for tailored agronomic strategies.

Cite This Study

Campana et al. (2026) studied this question.

synapsesocial.com/papers/69fadaab03f892aec9b1e535https://doi.org/10.1007/s42729-026-03273-x
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