Bøger af Louis Hermann Pammel

This scientific study, first published in 1911, provides a detailed comparison of the vegetation in different types of wetland habitats in the upper Midwest. The study includes extensive data on the botany and ecology of swamp clay and sandstone areas and offers insights into the impact of human activity on these fragile ecosystems. This volume is an important resource for anyone interested in the natural history of the Midwest.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. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

An in-depth exploration of one of North America's most pernicious invasive species, The Russian Thistle is an essential resource for botanists, ecologists, and anyone interested in the natural history of the American West. With detailed illustrations and analysis, Pammel helps readers understand the biology, ecology, and impact of this troublesome plant on the communities it invades.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. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

This comprehensive guide provides detailed descriptions and illustrations of the grasses found in Iowa, making it an essential reference for botanists, ecologists, and agricultural professionals. Volume 1, Part 2 includes information on over 50 types of grasses, with detailed keys for identification and information on each species' habitat, uses, and ecological importance.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. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Gain a thorough understanding of the principles and practices of ecology with this comprehensive textbook. From the basic concepts of ecosystems and populations to the complex interactions of species and environments, this book covers all the major topics in the field. With clear explanations, ample illustrations, and practical examples, this book is an essential resource for students, scholars, and professionals alike.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. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. ++++ The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to ensure edition identification: ++++ Four New Fungous Diseases In Iowa, Volumes 125-135; Volume 131 Of Bulletin (Iowa Agricultural Experiment Station) Louis Hermann Pammel, Charlotte Maria King Agricultural Experiment Station, Iowa State College of Agriculture and the Mechanic Arts, 1912 Technology & Engineering; Agriculture; Agronomy; Crop Science; Alfalfa; Apples; Cooking / Specific Ingredients / Vegetables; Onions; Technology & Engineering / Agriculture / Agronomy / Crop Science; Technology & Engineering / Agriculture / General; Timothy rust

This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. ++++ The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to ensure edition identification: ++++ The Grasses Of Iowa, Volume 2; The Grasses Of Iowa; Louis Hermann Pammel; Issue 1 Of Bulletin (Iowa Geological Survey) Louis Hermann Pammel, Julius Buel Weems, Carleton Roy Ball, F. Lamson-Scribner, Harry Foster Bain Iowa Geological Survey, 1904 Grasses

This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. ++++ The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to ensure edition identification: ++++ Notes On Eradication Of Weeds With Experiments Made In 1907 And 1908; Volume 105 Of Bulletin (Iowa Agricultural Experiment Station) Louis Hermann Pammel, Charlotte Maria King Experiment Station, Iowa State College of Agriculture and Mechanic Arts, 1909 Technology & Engineering; Agriculture; General; Gardening / General; Technology & Engineering / Agriculture / General; Weeds

This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. ++++ The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to ensure edition identification: ++++ The Grasses Of Iowa, Part 2; Issue 1 Of Bulletin (Iowa Geological Survey); The Grasses Of Iowa; F. Lamson-Scribner Louis Hermann Pammel, Julius Buel Weems, Carleton Roy Ball, F. Lamson-Scribner, Harry Foster Bain Iowa Geological Survey, 1904 Grasses

This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions that are true to the original work.

This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.

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 was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.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.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.