New Taxa of the Subfamily Leptysminae from Brazil (Acrididae: Orthoptera): Notulae Naturae of The Acad. of Natural Sciences of Phila., No. 458

New Taxa of the Subfamily Leptysminae from Brazil (Acrididae: Orthoptera): Notulae Naturae of The Acad. of Natural Sciences of Phila., No. 458
Title New Taxa of the Subfamily Leptysminae from Brazil (Acrididae: Orthoptera): Notulae Naturae of The Acad. of Natural Sciences of Phila., No. 458 PDF eBook
Author
Publisher Academy of Natural Sciences
Pages 4
Release
Genre
ISBN 9781604834581

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Proceedings of The Academy of Natural Sciences (Vol. 132, 1980)

Proceedings of The Academy of Natural Sciences (Vol. 132, 1980)
Title Proceedings of The Academy of Natural Sciences (Vol. 132, 1980) PDF eBook
Author
Publisher Academy of Natural Sciences
Pages 316
Release
Genre
ISBN 9781437955286

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Occurrence & Distribution of Diatoms & Other Algae in the Upper Potomac River: Notulae Naturae of The Acad. of Natural Sciences of Phila., No. 436

Occurrence & Distribution of Diatoms & Other Algae in the Upper Potomac River: Notulae Naturae of The Acad. of Natural Sciences of Phila., No. 436
Title Occurrence & Distribution of Diatoms & Other Algae in the Upper Potomac River: Notulae Naturae of The Acad. of Natural Sciences of Phila., No. 436 PDF eBook
Author
Publisher Academy of Natural Sciences
Pages 14
Release
Genre
ISBN 9781604834369

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Proceedings of the Academy of Natural Sciences of Philadelphia

Proceedings of the Academy of Natural Sciences of Philadelphia
Title Proceedings of the Academy of Natural Sciences of Philadelphia PDF eBook
Author Academy of Natural Sciences of Philadelphia
Publisher
Pages 936
Release 1979
Genre Natural history
ISBN

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"Publications of the Academy of Natural Sciences of Philadelphia": v. 53, 1901, p. 788-794.

World Weeds

World Weeds
Title World Weeds PDF eBook
Author LeRoy Holm
Publisher John Wiley & Sons
Pages 1158
Release 1997-03-05
Genre Gardening
ISBN 9780471047018

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Responsible for a high proportion of the world's crop losses, weedstake away food that the world badly needs. They decrease thequality and quantity of vegetable fibers, wool, and hides, andinterfere with fishing, irrigation, hydroelectric power production,and the movement of shipping vessels. In order to recognize thetrue magnitude of the weed problem, and to be better equipped todesign effective weed control methods, it is vital to identify andlearn as much as possible about the many different species of thisdestructive agricultural predator. The culmination of four decades of global research, World Weedspresents comprehensive and up-to-date information on over 100weeds--addressing recent changes in such areas as crop tillagemethods, herbicide use, and agricultural runoff. This monumentalwork, featuring a wealth of original data from the authors,provides extensive coverage of the known biology of each species.Each entry contains a full botanical description, plus importantdetails on habitat requirements and distribution, seed production,ecology, physiology, crop impact, and more. Generously suppliedwith dozens of unique illustrations and species distribution mapscovering over 100 countries, this definitive resource boasts anextensive multilingual index of common names, and a massivebibliography with over 3,000 references to facilitate furtherreading and research. World Weeds is a truly masterful referencethat will be celebrated by weed and crop scientists, botanists, andothers for years to come.

Invasive Plants of Asian Origin Established in the United States and Their Natural Enemies

Invasive Plants of Asian Origin Established in the United States and Their Natural Enemies
Title Invasive Plants of Asian Origin Established in the United States and Their Natural Enemies PDF eBook
Author
Publisher
Pages 160
Release 2004
Genre Invasive plants
ISBN

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Miscellaneous Paper A

Miscellaneous Paper A
Title Miscellaneous Paper A PDF eBook
Author
Publisher
Pages 0
Release 1983
Genre Aquatic plants
ISBN

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