Mechanochemically engineered ammonium magnesium-sulfate double salts synthesized from ammonium carbonate for improved nitrogen-use efficiency

Key Points

• The research aims to enhance nitrogen-use efficiency through the synthesis of ammonium magnesium-sulfate double salts from ammonium carbonate.
• Synthesis of ammonium magnesium-sulfate double salts using mechanochemical engineering techniques.
• Assessment of chemical stability in soils compared to traditional nitrogen sources.
• Evaluation of nitrogen recovery from anaerobic digestate.
• Synthetically engineered salts showed higher stability compared to ammonia.
• Improved nitrogen recovery rates were achieved from anaerobic digestate using the new salts.
• The mechanochemical approach facilitated better nutrient availability in soil.