Manganese concentration influences nitrogen cycling in agricultural soil☆

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Manganese (Mn) concentration plays a pivotal role in regulating nitrogen cycling in agricultural soils, as it directly influences microbial activity, redox reactions, and enzyme-mediated transformations. Adequate Mn levels can enhance processes such as nitrification and denitrification by stimulating the activity of Mn-dependent enzymes and microbes that facilitate the conversion of ammonium, nitrate, and nitrite. However, excessive Mn accumulation may disrupt microbial balance and inhibit nitrogen-fixing bacteria, ultimately reducing soil fertility and crop productivity. Conversely, Mn deficiency can slow down the decomposition of organic matter, limit nitrogen mineralization, and impair plant nutrient uptake. The dynamic interaction between Mn and nitrogen pathways underscores its importance in maintaining soil health, optimizing fertilizer use efficiency, and promoting sustainable agricultural production systems.

#Manganese #NitrogenCycling #SoilHealth #Agriculture #NutrientManagement #SoilFertility #MicrobialActivity #SustainableFarming #CropProductivity #SoilBiogeochemistry




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