Relationship of nitrate reductase activity and chlorophyll index to macronutrient content and yield of wheat grown with N, P, farmyard manure, and bio-fertilizers. (216). Tropical Agriculture, [S. l.], v. 81, n. 4, 2004. Disponível em: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/1251. Acesso em: 27 apr. 2025.