Controlling ammonia volatilization by mixing urea with humic acid, fulvic acid, triple superphosphate and muriate of potash

• Main Authors: Shamsuddin, Rosliza, Ahmed, Osumanu Haruna, Nik Ab. Majid, Nik Muhamad
• Format: Article
• Language: English
• Published: Science Publications 2009
• Online Access: http://psasir.upm.edu.my/id/eprint/13788/1/ajessp.2009.605.609.pdf; http://psasir.upm.edu.my/id/eprint/13788/; http://www.thescipub.com/abstract/?doi=ajessp.2009.605.609
• Institution: Universiti Putra Malaysia

Problem statement: Inefficient use of inorganic fertilizer such as urea is caused by substantial losses of ammonia when urea is surface-applied. Ammonia losses can be controlled by adding acidic material such as TSP, HA or FA. In order to reduce ammonia loss and retain soil exchangeable ammonium and...