SAWAI PONGKAO. Effect of Sowing Dates and Amount of Nitrogen Fertilizer at Sowing on Fixation Activity and Different Attributes of Lupinus albus L. cv. Kievskij Mutant. Agriculture and Natural Resources, Bangkok, Thailand, v. 21, n. 4, p. 378–389, 1987. Disponível em: https://li01.tci-thaijo.org/index.php/anres/article/view/242629. Acesso em: 18 sep. 2026.