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The Farm Income Situation

Author:
Publisher:
ISBN:
Category : Farm income
Languages : en
Pages : 320

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The Convergent Evolution of Agriculture in Humans and Insects

Author: Ted R Schultz
Publisher: MIT Press
ISBN: 0262543206
Category : Social Science
Languages : en
Pages : 339

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Book Description
Contributors explore common elements in the evolutionary histories of both human and insect agriculture resulting from convergent evolution. During the past 12,000 years, agriculture originated in humans as many as twenty-three times, and during the past 65 million years, agriculture also originated in nonhuman animals at least twenty times and in insects at least fifteen times. It is much more likely that these independent origins represent similar solutions to the challenge of growing food than that they are due purely to chance. This volume seeks to identify common elements in the evolutionary histories of both human and insect agriculture that are the results of convergent evolution. The goal is to create a new, synthetic field that characterizes, quantifies, and empirically documents the evolutionary and ecological mechanisms that drive both human and nonhuman agriculture. The contributors report on the results of quantitative analyses comparing human and nonhuman agriculture; discuss evolutionary conflicts of interest between and among farmers and cultivars and how they interfere with efficiencies of agricultural symbiosis; describe in detail agriculture in termites, ambrosia beetles, and ants; and consider patterns of evolutionary convergence in different aspects of agriculture, comparing fungal parasites of ant agriculture with fungal parasites of human agriculture, analyzing the effects of agriculture on human anatomy, and tracing the similarities and differences between the evolution of agriculture in humans and in a single, relatively well-studied insect group, fungus-farming ants.

Micronutrients in Agriculture

Author:
Publisher:
ISBN: 9780891188636
Category :
Languages : en
Pages :

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GIS Applications in Agriculture

Author: Francis J. Pierce
Publisher: CRC Press
ISBN: 1420007718
Category : Science
Languages : en
Pages : 218

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Book Description
As the first volume in a unique series concentrating on in-depth discussions of GIS topics, GIS Applications in Agriculture examines ways that this powerful technology can help farmers/firms to produce a greater abundance of crops with more efficiency and at lower costs. Each chapter describes the nature of the problem, examines the purpose of the GIS application, describes methods used to develop the application, provides results, and offers a conclusion as well as other supportive information. When appropriate, it presents the underlying statistical approach for the GIS software that is used. This text also includes a CD-ROM that features data sets and the full color maps produced by the use of GIS.

On The Great Plains

Author: Geoff Cunfer
Publisher: Texas A&M University Press
ISBN: 9781585444014
Category : Business & Economics
Languages : en
Pages : 308

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Book Description
"To support his theory, Cunfer looks at the entire Great Plains (450 counties in ten states), tapping historical agricultural census data paired with GIS mapping to illuminate land use on the Great Plains over 130 years. Coupled with several community and family case studies, this database allows Cunfer to reassess the interaction between farmers and nature in the Great Plains agricultural landscape."--BOOK JACKET.

Potassium in Agriculture

Author: Robert D. Munson
Publisher:
ISBN:
Category : Plants
Languages : en
Pages : 1223

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Book Description