Call for Papers – Special Issue in Nitrogen 🌱 We are pleased to announce a Special Issue in the MDPI journal Nitrogen (ISSN 2504-3129): “Innovative Nitrogen Management Strategies in Aquaponics, Hydroponics, Soilless, and Soil-Based Crop Systems for Sustainable Agriculture.” 🔹 We welcome high-quality research articles, reviews, and short communications that advance nitrogen use efficiency, nutrient recycling, biochar applications, precision fertigation, smart-sensor networks, and sustainable crop production strategies. 🔹 Interdisciplinary contributions are highly encouraged. 📅 Submission deadline: 31 March 2026 🌍 Open Access Journal ensuring high visibility and global reach 👉 Learn more and submit your manuscript here: https://lnkd.in/eCHfTviU