Der Tabak: Studien über seine Kultur und Biologie

The author offers a comprehensive study of tobacco covering its botanical anatomy, particularly leaf structure, cultivation practices, and the chemical constituents including nicotine and varied acids. He describes experimental bacteriological investigations into fermentation and curing processes, compares artificial and natural fermentation, and examines how fertilizers and micro-organisms influence composition and aroma. The work surveys common diseases affecting crops, practical methods for harvesting, drying, and post-harvest treatment, and presents trade classifications and economic observations. It also outlines historical notes on the plant's introduction and spread and integrates laboratory findings with field observations to guide cultivation and processing.