Isbn: 9781528010535 - reports of observations and experiments in the practical work of the division: made under the direction of the entomologist (classic reprint) (3 risultati)

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

Paperback. Condizione: New. Print on Demand. This book presents a collection of reports by field agents of the United States Department of Agriculture's Division of Entomology. Encompassing the years 1890-1891, the agents' observations and experiments provide insight into the study of insects and their impact on crops. The author's detailed accounts of their work offer a historical perspective on pest management and agricultural practices. Major themes include the introduction of beneficial insects, such as the Australian ladybird for combating scale infestations, and the development of innovative pest control methods like hydrocyanic acid gas treatments. These reports not only chronicle the challenges faced by farmers in the late 19th century but also highlight the scientific advancements and practical solutions that shaped the field of entomology. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.…