POPP, M.; BADARCH, B.; PONCET, A.; RIDER, S.; SLATON, N. Economically Optimal Soil Sampling Density and Application Technology for Potassium Fertilizer for Soybean in the Mid-Southern US. Research on World Agricultural Economy, [S. l.], v. 6, n. 4, p. 766–783, 2025. DOI: 10.36956/rwae.v6i4.1789. Disponível em: https://journals.nasspublishing.com/index.php/rwae/article/view/1789. Acesso em: 27 nov. 2025.