The advantages of Chemical Science: (in an agricultural point of view,) illustrated by a series of observations on the nature and improvement of soils, and on the use and application of manures: principally abridged from Sir Humphry Davy’s "Elements of agricultural chemistry". South African Quarterly Journal, Cape Colony, v. 1, n. 5, p. 33–40, 1831. DOI: 10.21504/saqj.15.2597. Disponível em: https://journal.ru.ac.za/index.php/saqj/article/view/2597. Acesso em: 20 nov. 2025.