ArticleFrontiers in plant science2026
Green-synthesized zinc oxide nanoparticles and walnut biochar synergistically mitigate soil salinity and improve maize stress physiology.
Article in Frontiers in plant science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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- A nanotechnology-based approach to enhance caraway (Frontiers in plant science · 2026Article
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Abstract
Introduction: Soil salinization constrains maize productivity by elevating osmotic stress, disturbing nutrient homeostasis, and intensifying oxidative injury. In this study, we developed a green nano-biochar approach by synthesizing zinc oxide nanoparticles (ZnO NPs) from Material and methods: ZnO NPs were verified as crystalline ZnO with wurtzite structure and nanoscale morphology using Scanning Electron Microscopy - Energy Dispersive X-ray Spectroscopy (SEM-EDS), Fourier Transform Infrared (FTIR), and X-ray Diffraction (XRD). A factorial pot experiment (15 days) was conducted in moderately (S-1; 4-5 dS m Results and discussion: Additionally, maize plants treated with the composite demonstrated improved morphological traits, including a 43% increase in shoot, 41% higher total chlorophyll content, and a 28% increase in antioxidant enzyme activity. Stress diagnostics further showed improved membrane stability, with lower reactive oxygen species (ROS) burdens and reduced peroxidation and EC under saline conditions. Across both salinity levels, the composite consistently outperformed single amendments, underscoring the value of integrating ionic buffering with micronutrient delivery. By coupling plant extract synthesis and valorization of walnut residues, this study offers a resource-efficient alternative to conventional salinity management and offers a promising approach for potential crop productivity and soil health in saline-affected agricultural lands. However, studies should be done on the large scale in experimental fields.
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