B.R. Chandrasekar, G. Ambrose, N. Jayabalan. Influence of biofertilizers and nitrogen source level on the growth and yield of Echinochloa frumentacea (Roxb.) Link. Int. J. Agric. Tech. [internet]. 2005 Nov. 5 [cited 2026 Oct. 6];1(2):223-34. available from: https://li04.tci-thaijo.org/index.php/IJAT/article/view/9179