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Silicon Combined with Trichoderma harzianum and Organic Matter as an Environmental Friendly Strategy for Mitigating Salt Stress in Quinoa ( Chenopodium quinoa Willd.)

Author

Listed:
  • Edson Moreira de Abrantes

    (Irrigated Agriculture Station of Parnamirim, Federal Rural University of Pernambuco, Parnamirim 56163-000, PE, Brazil)

  • Luiz Guilherme Medeiros Pessoa

    (Graduate Program in Crop Production, Federal Rural University of Pernambuco, Serra Talhada 56909-535, PE, Brazil)

  • Luiz Filipe dos Santos Silva

    (Graduate Program in Crop Production, Federal Rural University of Pernambuco, Serra Talhada 56909-535, PE, Brazil)

  • Emanuelle Maria da Silva

    (Graduate Program in Crop Production, Federal Rural University of Pernambuco, Serra Talhada 56909-535, PE, Brazil)

  • José Orlando Nunes da Silva

    (Graduate Program in Soil Science, Federal Rural University of Pernambuco, Recife 52171-900, PE, Brazil)

  • Maria Betânia Galvão dos Santos Freire

    (Graduate Program in Soil Science, Federal Rural University of Pernambuco, Recife 52171-900, PE, Brazil)

  • Alexandre Campelo de Oliveira

    (Graduate Program in Crop Production, Federal Rural University of Pernambuco, Serra Talhada 56909-535, PE, Brazil)

  • Eurico Lustosa do Nascimento Alencar

    (Irrigated Agriculture Station of Parnamirim, Federal Rural University of Pernambuco, Parnamirim 56163-000, PE, Brazil)

Abstract

Silicon is known to be an effective salt stress attenuator for crops, and evaluating its application effectiveness in combination with other salt stress attenuators is essential for crops and soils. This work aimed to assess whether applying organic matter (OM) and Trichoderma (T) potentiates silicon (Si) in mitigating soil salinization and promoting quinoa growth under salt stress. Quinoa plants were grown in pots under saline irrigation (3.12 dS m −1 ) and subjected to the following treatments: quinoa only; quinoa + Si; quinoa + Si + OM; quinoa + Si + T; and quinoa + Si + OM + T, at two levels of soil moisture—30 and 80% of the available water content (AWC). Sixty days after transplanting, soil and quinoa plants were collected from the pots. At 80% AWC, Si + OM and Si + OM + T promoted the highest fresh mass for quinoa—301.54 and 247.26 g, respectively. Si + OM + T significantly mitigated saline parameters (EC = 9.82 dS m −1 ; ESP = 32.27%). Si combined with OM and T was the most effective way to attenuate salt stress in quinoa and soil salinization and promote a more sustainable way to manage saline irrigation in semiarid regions.

Suggested Citation

  • Edson Moreira de Abrantes & Luiz Guilherme Medeiros Pessoa & Luiz Filipe dos Santos Silva & Emanuelle Maria da Silva & José Orlando Nunes da Silva & Maria Betânia Galvão dos Santos Freire & Alexandre , 2024. "Silicon Combined with Trichoderma harzianum and Organic Matter as an Environmental Friendly Strategy for Mitigating Salt Stress in Quinoa ( Chenopodium quinoa Willd.)," Sustainability, MDPI, vol. 16(7), pages 1-16, March.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:7:p:2825-:d:1365765
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    References listed on IDEAS

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    1. Talebnejad, R. & Sepaskhah, A.R., 2015. "Effect of different saline groundwater depths and irrigation water salinities on yield and water use of quinoa in lysimeter," Agricultural Water Management, Elsevier, vol. 148(C), pages 177-188.
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