Effect of Different Levels of Nitrogen Fertilizer, Fungal Biofertilizer, and Algal Biofertilizer on Urease Enzyme Activity and Nutrient Availability for Barley (Hordeum vulgare L.). EJAS [Internet]. 2026 Jun. 30 [cited 2026 Nov. 11];18(2). Available from: https://ejs-agri.com/index.php/EJAS/article/view/699