1.
Umponstira C, Kawayaskul S, Chuchaung S, Homhaul W. Effect of Ozone on Nitrogen Fixation, Nitrogenase Activity and Rhizobium of Cowpea (Vigna unguiculata (L.) Walp). Asian Health Sci.Tech.Rep. [internet]. 2009 Dec. 15 [cited 2025 Dec. 11];17(3):213-20. available from: https://ph03.tci-thaijo.org/index.php/ahstr/article/view/2324