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June 13, 2026ConservationOpen Access

Effects of Concentration and Nutrient Solution Volume per Plant on Salt Stress Alleviation in Hydroponic Lettuce

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Authors

MSMairton Gomes da SilvaUniversidade Federal do Recôncavo da BahiaHGHans Raj GheyiUniversidade Federal do Recôncavo da BahiaTSToshik Iarley da SilvaUniversidade Federal do Recôncavo da Bahia

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Overview

Randomized trial evaluates nutrient concentration and volume effects on lettuce growth under salt stress, suggesting effective management strategies.

Key Points

  • This study examines how different nutrient solution concentrations and volumes affect lettuce growth under salt stress.
  • Conducted a randomized complete block design in a 2 × 2 × 2 factorial scheme with variations in electrical conductivity, nutrient solution concentration, and nutrient solution volume.
  • Evaluated growth, production, and water productivity of lettuce plants cultivated with brackish water at specified intervals.
  • Applied four replications for each treatment condition.
  • At 25 days, lettuce with 50% nutrient solution concentration and 2 L water volume showed 40% less leaf fresh matter production loss compared to no salt stress.
  • Yielded 144.11 g fresh matter per plant under 100% nutrient concentration and 2 L volume after 25 days.
  • Water productivity was similar for both treatments, measuring 78.68 g L−1 and 76.55 g L−1 respectively.

Cite This Study

Silva et al. (2026) studied this question.

synapsesocial.com/papers/6a2cf6aefaef96ed7f0585cehttps://doi.org/10.3390/conservation6020071
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