hardcover. Transl. by G.B. Sembenini. 242 + 119 + 240pp., 8vo, leather-backed boards; (spine worn, front hinge starting). Brescia, Milan, and n.p., 1796 and 1842.
Together in one volume with two other treatises, "Corso Elementare Teorico di Botanica" by Casimiro Gomez Ortega and "Metamorfosi della Piante" by G.W. Goethe. Liebig (1803-1873) was an eminent German chemist, who in this book "...refuted the widely held theory that humus, the product of the decay of plant matter, formed the main nutrient substance for plant growth and supported the view that the source of the carbon assimilated into plant substances is the atmosphere." DSB VIII, p.345. Hirsch III, p.780.