Reports Experiments Observations Practical by Charles Valentine (50 results)

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

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

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

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

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

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

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

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

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HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

Paperback. Condition: New. Print on Demand. This book is a collection of reports written by various field agents of the U.S. Department of Agriculture. Published at the end of each season, these reports traditionally present the findings from the agents in one volume. This particular volume contains reports from 1893. Within these pages, entomologists share their observations on locust swarms, the army worm, the wheat-head army worm, and other major insect infestations that occurred during the past year. The author also provides relevant background information on the insects and suggests ideas for future research. 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.…

Paperback. Condition: New. Print on Demand. This book details the harmful effects that insects have on garden crops in Florida and provides useful insight into combating them. The author, an experienced entomologist, meticulously describes the species that cause the most damage, outlining their life cycles, habits, and the injuries they inflict. To help farmers and gardeners, the author provides a range of remedies to control these pests, including chemical and non-chemical methods. The book also explores the natural enemies of these insects and discusses the broader ecological context, emphasizing the crucial role that these beneficial creatures play in keeping the pest populations in check. With its wealth of information, this book is a valuable resource for anyone seeking to protect their garden from harmful insects. 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.…

Paperback. Condition: New. Print on Demand. This book presents a compilation of reports from field agents of the Division of Entomology within the U.S. Department of Agriculture for the year 1892. It details the observations, experiments, and findings of these agents as they relate to beneficial and harmful insects, providing a rich account of entomological research during that time. The reports cover diverse topics, including the introduction and establishment of beneficial insects from Australia and New Zealand to combat invasive pests in California, investigations into a destructive spanworm affecting walnut trees, and ongoing efforts to control the cottony cushion scale and other injurious insects threatening fruit trees. The book offers valuable insights into the history of biological control and pest management practices, highlighting the challenges and successes encountered by entomologists in the late 19th century. Its detailed descriptions and scientific observations make it a valuable resource for entomologists, historians of science, and anyone interested in the development of pest management strategies. 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.…

Paperback. Condition: New. Print on Demand. This book explores insect infestations that plagued the US in the late 19th century. The author traveled across the country, closely observing the impact of these infestations on both forests and agriculture. Through extensive research and first-hand accounts, the author details the life cycles, behaviors, and destructive capabilities of various insect species, including locusts and caterpillars, providing valuable insights into their biology and ecology. The book reveals the devastating consequences of insect outbreaks on crops and trees, highlighting the urgent need for effective pest management strategies. Ultimately, this book serves as a valuable historical record of significant entomological events and offers crucial lessons for addressing future insect-related challenges. 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.…

Paperback. Condition: New. Print on Demand. This book by the author provides a unique look into the world of insects by exploring both well-established and recently documented topics within entomology. From the historical appearance of the army worm to the recent invasion of the cranberry bogs of New Jersey, the first part of the book provides numerous examples of insect behavior, feeding habits, and vulnerabilities. The book also includes recent experiments undertaken by the author using pyrethrum as a form of pest control against a variety of insect species, as well as detailed notes on insect species that may be harmful to common trees such as pine, oak, fir, and spruce. Overall, this book is a rich exploration of insect biology and behavior, containing numerous insights that will be of interest to entomologists, professional and amateur alike. 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.…

Paperback. Condition: 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.…

Paperback. Condition: New. Print on Demand. This book includes multiple reports and observations of various insect-related topics from the latter half of the 1800s. Most of the observations were carried out in Nebraska and California, including studying the effects of insecticides and how locusts behave when certain preventative measures, such as plowing, are taken. The findings are useful for understanding the behavior of insect pests common to the western United States and reveal the challenges farmers of the time faced with crop damage caused by pests. 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.…

Paperback. Condition: New. Print on Demand. This book, from the United States Department of Agriculture, Division of Entomology, features an array of reports, observations, and studies on the topic of insects and their effect on various plants and crops. It is written in collaboration with and under the direction of the entomologist, C. V. Riley. The book explores a range of insect species, including scale insects, leafhoppers, and more, providing insights into their behaviors, life cycles, and methods to control or eradicate infestations. The reports cover experiments and observations made in the field and include detailed accounts of successful pest management techniques. The book's significance lies in its practical applications and contributions to the field of entomology, offering valuable guidance for farmers, agriculturalists, and individuals seeking to protect crops and vegetation from insect damage. 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.…