A National Program Of Research For Bees And Other Pollinating Insects And Insects Affecting Man
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A National Program Of Research For Bees And Other Pollinating Insects And Insects Affecting Man
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Author : Joint Task Force of the U.S. Dept. of Agriculture and the State Universities and Land Grant Colleges
language : en
Publisher:
Release Date : 1969
A National Program Of Research For Bees And Other Pollinating Insects And Insects Affecting Man written by Joint Task Force of the U.S. Dept. of Agriculture and the State Universities and Land Grant Colleges and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Bees categories.
A National Program Of Research For Bees And Other Pollinating Insects And Insects Affecting Man
DOWNLOAD
Author : Joint Task Force of the U.S. Dept. of Agriculture and the State Universities and Land Grant Colleges
language : en
Publisher:
Release Date : 1969
A National Program Of Research For Bees And Other Pollinating Insects And Insects Affecting Man written by Joint Task Force of the U.S. Dept. of Agriculture and the State Universities and Land Grant Colleges and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Bees categories.
Status Of Pollinators In North America
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2007-05-13
Status Of Pollinators In North America written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-05-13 with Technology & Engineering categories.
Pollinators-insects, birds, bats, and other animals that carry pollen from the male to the female parts of flowers for plant reproduction-are an essential part of natural and agricultural ecosystems throughout North America. For example, most fruit, vegetable, and seed crops and some crops that provide fiber, drugs, and fuel depend on animals for pollination. This report provides evidence for the decline of some pollinator species in North America, including America's most important managed pollinator, the honey bee, as well as some butterflies, bats, and hummingbirds. For most managed and wild pollinator species, however, population trends have not been assessed because populations have not been monitored over time. In addition, for wild species with demonstrated declines, it is often difficult to determine the causes or consequences of their decline. This report outlines priorities for research and monitoring that are needed to improve information on the status of pollinators and establishes a framework for conservation and restoration of pollinator species and communities.
American Bee Books
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Author : Philip A. Mason
language : en
Publisher:
Release Date : 1998
American Bee Books written by Philip A. Mason and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Pollination Of Cultivated Plants In The Tropics
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 1995
Pollination Of Cultivated Plants In The Tropics written by Food and Agriculture Organization of the United Nations and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Gardening categories.
This bulletin, based on contributions from various contributors and edited by Dr. D.W. Roubik, introduces the reader to various aspects of natural and insect pollination. It discusses the pollinators themselves, and the ecological and economic importance of pollination, as well as applied pollination in temperate, tropical oceanic islands and mainland tropics, and alternatives to artificial pollinator populations. Prospects for the future are also discussed. Chapter 2 deals with successful pollination with pollinator populations, the evaluation of pollinators and floral biology and research techniques. The behaviour of pollinators and plant phenology and various case studies on the preparation of pollinators for use in tropical agriculture are also discussed. A glossary and various appendices regarding cultivated and semi-cultivated plants in the tropics, pollination contracts and levels of safety of pesticides for bees and other pollinators are included.
National Agricultural Library Catalog
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Author : National Agricultural Library (U.S.)
language : en
Publisher:
Release Date : 1973
National Agricultural Library Catalog written by National Agricultural Library (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Agriculture categories.
Directory Of Information Resources In Agriculture And Biology
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Author : Agricultural Sciences Information Network
language : en
Publisher:
Release Date : 1971
Directory Of Information Resources In Agriculture And Biology written by Agricultural Sciences Information Network and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Science categories.
Congressional Record
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Author : United States. Congress
language : en
Publisher:
Release Date : 1969
Congressional Record written by United States. Congress and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Law categories.
The Congressional Record is the official record of the proceedings and debates of the United States Congress. It is published daily when Congress is in session. The Congressional Record began publication in 1873. Debates for sessions prior to 1873 are recorded in The Debates and Proceedings in the Congress of the United States (1789-1824), the Register of Debates in Congress (1824-1837), and the Congressional Globe (1833-1873)
Bulletin Of The Brooklyn Entomological Society
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Author : Brooklyn Entomological Society
language : en
Publisher:
Release Date : 1921
Bulletin Of The Brooklyn Entomological Society written by Brooklyn Entomological Society and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1921 with Insects categories.
National Agricultural Library Catalog 1966 1970 Subjects
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Author : National Agricultural Library (U.S.)
language : en
Publisher:
Release Date : 1973
National Agricultural Library Catalog 1966 1970 Subjects written by National Agricultural Library (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Agriculture categories.