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Effects of microplastics on crop nutrition in fertile soils and interaction with arbuscular mycorrhizal fungi
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Researchers found that microplastic fibers at 0.4% concentration in soil disrupted potassium, magnesium, and sulfur uptake in onions, but that inoculation with arbuscular mycorrhizal fungi buffered these negative effects by enhancing nutrient availability and plant uptake.
Abstract Introduction Soil microplastic (MP) pollution has emerged as a main factor of global change, but its effects on soil nutrient availability and uptake by crops (macro and micronutrients) are largely unknown. Arbuscular mycorrhizal fungi (AMF) are regulators of nutrient availability and uptake and can interact with soil MP. Materials and Methods Building on previous studies, here we explored in a 50‐days pot experiment the influence and interaction of MP fibres (0.4%) and commercial AMF in soil and onion chemistry, that is, in elemental composition of onion shoots and soils (C, N, Ca, Mg, K, P, S, Cu, Fe, Mn and Zn) and micronutrient soil availability (Cu, Fe, Mn and Zn). Results MP had detrimental effects on K, Mg and S, but increased the soil availability of Zn and shoot uptake. AMF inoculation buffered the effects of MP by balancing/enhancing nutrient availability and plant uptake. Particularly, the commercial AMF inoculum remarkably enhanced Mn uptake by onion. Conclusion Our results support the use of AMF to sustainably manage agricultural ecosystems contaminated with MP, buffering and counteracting the effects of MP by balancing nutrient availability and plant uptake.
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Data of "Effects of microplastics on onion nutrition in fertile soils and interaction with arbuscular mycorrhizal fungi"
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This is a primary data file linked to a study on the effects of microplastics on crop nutrition in fertile soils and interactions with arbuscular mycorrhizal fungi. It is a dataset record, not a research article.
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