Curtis clausen (51 resultados)

Soft cover. Condición: Very Good. pp353-362. Removed from ANNUAL REPORT OF THE BOARD OF REGENTS OF THE SMITHSONIAN INSTITUTION, FOR THE YEAR ENDING JUNE 30, 1932. In plastic report covers. VG. From the introduction: " Insects of various types play a very important role in affecting the production of practically all agricultural crops and products and have an important bearing upon the health of man and animals." This article is about a vast array of insect species which are harmless to man, and at the same time are actively engaged in destroying the injurious species.…

Soft cover. Condición: VG. 10pp extract, salvaged from a damaged copy of the Annual Report Of The Board Of Regents Of The Smithsonian Institution For The Year Ending June 30, 1932. The author was Senior Entomologist at the U. S. Department of Agriculture. Housed in protective mylar report cover.

Paper Back. Condición: Good.

Hardcover. Condición: Very Good. Near Fine. First Edition. Signed by the Author(s). The book has light foxing to the top of the page block. The dust jacket is unclipped ($21.95). 10 9 8 7 6 5 4 3 2 1 number line. The book is signed by the author on the title page. Mel Curtis, dj photo (ilustrador).

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

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

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

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

Hardcover. Condición: Good. 1st Edition. Binding has wear, light soil, and a few faint, minor stains; several leaves have corner creasing; top margin of title page has former owner's surname signature; fore-edge margin of verso of title page has small, faint stain; two pages have a touch of minor soil; otherwise tight, text clean. vi, 545 p. Large, heavy volume. [otob: 45].…

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

Softcover. Condición: Very Good. Very Good tan paperback with cover crease to the front cover. College name stamp and a small number "41" on the front cover. 116 pages. Circular No. 168, United States Department of Agriculture. [dp50 0715]. ; D8D; 8vo 8" - 9" tall; 116 pages.

Paper Cover. Condición: Very Good. 545pp, Agricultural Handbook No. 480. Thickness is 1.25 inches. No marks or tears. Size: 4to - over 9?" - 12" tall. Book.

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

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

Trade Paperback. Condición: Very Good. Estado de la sobrecubierta: wraps. Fjanuary 1978 Edition. From a USDA library, otherwise a VG unmarked large paperback copy, tan cover. MEDIA SHIPPING ONLY.

Hardcover. Condición: Good. Large hardcover in good+ condition: the pages have light edge foxing as do the endpapers, but are otherwise unmarked, slight wear, slight soiling on small areas of the front and back panels. 545 pages. [3.5 lbs]. Book.

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

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

Condición: Fair. Acceptable condition. No Dust Jacket Technical Bulletin No.1139, United States Department of Agriculture. (Agriculture, Pest Control, Government Publications) A readable, intact copy that may have noticeable tears and wear to the spine. All pages of text are present, but they may include extensive notes and highlighting or be heavily stained. Includes reading copy only books. Bundled media such as CDs, DVDs, floppy disks or access codes may not be included.…

paperback. Condición: Good. Good paperback, bumped/creased with shelfwear; may have previous owner's name inside. Standard-sized.

Taschenbuch. Condición: Neu. Neuware - This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.…

Paperback. Condición: New. Print on Demand. This book explores the fascinating world of insects that prey upon or parasitize other insects. As an integral part of the balance of nature, they play a crucial role in controlling the populations of insects that can cause extensive crop damage. The author delves into the natural history of these beneficial insects, describing their diverse forms, life cycles, and feeding habits. The book also highlights the significance of parasitic insects in the biological control of agricultural pests, emphasizing their potential as a sustainable and eco-friendly alternative to chemical pesticides. By examining the intricate relationships between insects and their parasites, the book provides a deeper understanding of ecology and the vital role of insects in maintaining the health of ecosystems. 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. Condición: New. Print on Demand. 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. Condición: New. Print on Demand. This book delves into the vast world of citrus fruit insects in tropical and subtropical Asia. It serves as a comprehensive guide to the various species that infest these regions, providing a detailed examination of their biology, distribution, and the damage they inflict upon citrus plants. The author meticulously documents numerous species, encompassing everything from fruit flies and moths to weevils and scales. By understanding their behavior and identifying their vulnerabilities, growers can develop more effective pest management strategies. The book not only enriches our knowledge of these insects but also equips readers with the tools to safeguard their citrus crops and ensure their continued productivity. 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. Condición: New. Print on Demand. This book delves into the intricate world of natural pest control, exploring the fascinating relationship between the Japanese beetle, a destructive invasive species, and its parasitic enemies. The author, a leading entomologist, meticulously documents their extensive field research conducted in Japan and Korea during the 1920s, a period when the beetle was rapidly spreading throughout the United States. The book provides a detailed account of the various parasites discovered, their life cycles, and their effectiveness in controlling the beetle population. Readers will learn about the strategies employed to breed and transport these beneficial insects, and gain valuable insights into the complexities of biological control as a tool for managing invasive species. The book's detailed analysis of the parasites' impact on the Japanese beetle's population dynamics sheds light on the delicate balance of nature and the potential for natural enemies to play a vital role in safeguarding ecosystems from invasive threats. 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.…

Condición: New. KlappentextrnrnThis is a reproduction of the original artefact. Generally these books are created from careful scans of the original. This allows us to preserve the book accurately and present it in the way the author intended. Since the origina.

PAP. Condición: New. New Book. Shipped from UK. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

Condición: New. PRINT ON DEMAND Book; New; Fast Shipping from the UK. No. book.

Condición: Good. Good condition. Slightly dampstained. Some foxing. (Biology, Insects, Pest) NOT AVAILABLE FOR SHIPMENT OUTSIDE OF THE UNITED STATES.

Leatherbound. Condición: NEW. BOOKS ARE EXEMPT FROM IMPORT DUTIES AND TARIFFS; NO EXTRA CHARGES APPLY. Leather Binding on Spine and Corners with Golden leaf printing on spine. Bound in genuine leather with Satin ribbon page markers and Spine with raised gilt bands. A perfect gift for your loved ones. Reprinted from 1931 edition. NO changes have been made to the original text. This is NOT a retyped or an ocr'd reprint. Illustrations, Index, if any, are included in black and white. Each page is checked manually before printing. As this print on demand book is reprinted from a very old book, there could be some missing or flawed pages, but we always try to make the book as complete as possible. Fold-outs, if any, are not part of the book. If the original book was published in multiple volumes then this reprint is of only one volume, not the whole set and contains approximately 20 pages. IF YOU WISH TO ORDER PARTICULAR VOLUME OR ALL THE VOLUMES YOU CAN CONTACT US. Resized as per current standards. Sewing binding for longer life, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of binding. Language: English Volume no.252(1931).…