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Effect of Banana-Waste Biochar and Compost Mixtures on Growth Responses and Physiological Traits of Seashore Paspalum Subjected to Six Different Water Conditions

Author

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  • Dounia Fetjah

    (Laboratory of Biotechnology, Materials, and Environment, Faculty of Sciences, Ibn Zohr University, Agadir 80000, Morocco)

  • Lalla Fatima Zohra Ainlhout

    (Laboratory of Biotechnology, Materials, and Environment, Faculty of Applied Sciences, Ibn Zohr University, Ait Melloul 86150, Morocco)

  • Zaina Idardare

    (Laboratory of Biotechnology, Materials, and Environment, Higher Institute of Maritime Fisheries, Agadir 80000, Morocco)

  • Bouchaib Ihssane

    (Laboratory of Applied Organic Chemistry, Faculty of Sciences and Techniques, Sidi Mohamed Ben Abdellah University, Fez 80000, Morocco)

  • Laila Bouqbis

    (Laboratory of Biotechnology, Materials, and Environment, Faculty of Applied Sciences, Ibn Zohr University, Ait Melloul 86150, Morocco)

Abstract

The effects of pyrolyzed agricultural waste generated from banana leaves on the development and physiological responses of Paspalum vaginatum in different water conditions were investigated. X-ray diffraction (XRD) and Fourier-transform infrared (FTIR) computations were utilized to describe the banana-waste biochar and determine the crystalline structure and functional groups. A plastic pot was used in two trials to examine the effectiveness of the studied biochar under two situations (well-watered Ww and limited-watered Lw). Seashore paspalum was cultivated in loam soil that had been modified with biochar as a single addition and a biochar compost mix. Six water scarcity scenarios were chosen (100, 80, 60, 25, 20, and 15% of water holding capacity (WHC) of the control soil). To analyze the varied responses of P. vaginatum in well-watered and limited-water environments, principal component analysis (PCA) was used. Under Ww, photosynthesis, biomass, fluorescence, and chlorophyll content increased, whereas, under Lw and control, they declined. Biochar and compost combinations enhanced the relative water content (RWC) more than biochar alone or in combination. Conversely, stomatal density in drought-stricken plants showed the reverse trend.

Suggested Citation

  • Dounia Fetjah & Lalla Fatima Zohra Ainlhout & Zaina Idardare & Bouchaib Ihssane & Laila Bouqbis, 2022. "Effect of Banana-Waste Biochar and Compost Mixtures on Growth Responses and Physiological Traits of Seashore Paspalum Subjected to Six Different Water Conditions," Sustainability, MDPI, vol. 14(3), pages 1-13, January.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:3:p:1541-:d:737046
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    References listed on IDEAS

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    1. Pompeiano, A. & Di Patrizio, E. & Volterrani, M. & Scartazza, A. & Guglielminetti, L., 2016. "Growth responses and physiological traits of seashore paspalum subjected to short-term salinity stress and recovery," Agricultural Water Management, Elsevier, vol. 163(C), pages 57-65.
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