Effect of the Amount and Timing of Ammonium Sulfate Single Top-dressing Application on Growth and Yield of Akitakomachi Rice (Oryza sativa L.). Asian Journal of Agriculture and Food Sciences, [S. l.], v. 9, n. 6, 2021. DOI: 10.24203/ajafs.v9i6.6825. Disponível em: https://ajouronline.com/index.php/AJAFS/article/view/6825. Acesso em: 3 mar. 2026.