An Instructional Guide for Leaf Color Analysis Using Digital Imaging Software PDF Download
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Category : Foliar diagnosis
Languages : en
Pages : 38
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Book Description
Digital color analysis has become an increasingly popular and cost-effective method utilized by resource managers and scientists for evaluating foliar nutrition and health in response to environmental stresses. We developed and tested a new method of digital image analysis that uses Scion Image or NIH image public domain software to quantify leaf color. This publication provides instructions for using this software to measure the percentage green and red in leaves, colors of particular importance for the assessment of plant health. Comparisons of results from digital analyses of 326 scanned images of leaves and concurrent spectrophotometric measures of chlorophyll a, chlorophyll b, and anthocyanins verify that image analysis provides a reliable quantitative measure of leaf color and the relative concentrations of underlying plant pigments.
Author:
Publisher:
ISBN:
Category : Foliar diagnosis
Languages : en
Pages : 38
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Book Description
Digital color analysis has become an increasingly popular and cost-effective method utilized by resource managers and scientists for evaluating foliar nutrition and health in response to environmental stresses. We developed and tested a new method of digital image analysis that uses Scion Image or NIH image public domain software to quantify leaf color. This publication provides instructions for using this software to measure the percentage green and red in leaves, colors of particular importance for the assessment of plant health. Comparisons of results from digital analyses of 326 scanned images of leaves and concurrent spectrophotometric measures of chlorophyll a, chlorophyll b, and anthocyanins verify that image analysis provides a reliable quantitative measure of leaf color and the relative concentrations of underlying plant pigments.
Author: Paula F. Murakami
Publisher:
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Category :
Languages : en
Pages : 33
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Book Description
Author: Amir Sharon
Publisher: Lulu.com
ISBN: 0359580890
Category :
Languages : en
Pages : 318
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Book Description
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ISBN:
Category : Forests and forestry
Languages : en
Pages : 680
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Book Description
Author: Bin Tang
Publisher: Frontiers Media SA
ISBN: 2889662241
Category : Science
Languages : en
Pages : 452
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Book Description
This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
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Category : Forest genetics
Languages : en
Pages : 566
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Book Description
Author: Katy Borner
Publisher: MIT Press
ISBN: 0262328437
Category : Computers
Languages : en
Pages : 225
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Book Description
The power of mapping: principles for visualizing knowledge, illustrated by many stunning large-scale, full-color maps. Maps of physical spaces locate us in the world and help us navigate unfamiliar routes. Maps of topical spaces help us visualize the extent and structure of our collective knowledge; they reveal bursts of activity, pathways of ideas, and borders that beg to be crossed. This book, from the author of Atlas of Science, describes the power of topical maps, providing readers with principles for visualizing knowledge and offering as examples forty large-scale and more than 100 small-scale full-color maps. Today, data literacy is becoming as important as language literacy. Well-designed visualizations can rescue us from a sea of data, helping us to make sense of information, connect ideas, and make better decisions in real time. In Atlas of Knowledge, leading visualization expert Katy Börner makes the case for a systems science approach to science and technology studies and explains different types and levels of analysis. Drawing on fifteen years of teaching and tool development, she introduces a theoretical framework meant to guide readers through user and task analysis; data preparation, analysis, and visualization; visualization deployment; and the interpretation of science maps. To exemplify the framework, the Atlas features striking and enlightening new maps from the popular “Places & Spaces: Mapping Science” exhibit that range from “Key Events in the Development of the Video Tape Recorder” to “Mobile Landscapes: Location Data from Cell Phones for Urban Analysis” to “Literary Empires: Mapping Temporal and Spatial Settings of Victorian Poetry” to “Seeing Standards: A Visualization of the Metadata Universe.” She also discusses the possible effect of science maps on the practice of science.
Author: Edward S. Ebert
Publisher: Simon and Schuster
ISBN: 1629141097
Category : Education
Languages : en
Pages : 240
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Book Description
The Educator’s Field Guide helps teachers get off to a running start. The only book that covers all four key cornerstones of effective teaching—organization, classroom management, instruction, and assessment—this handy reference offers a bridge from college to classroom with a hearty dose of practical guidance for teachers who aspire to greatness. At a time when school leaders are pressed to hire and retain high-quality teachers, this guidebook is indispensable for defining and nurturing the qualities the qualities teachers strive for and students deserve. Helpful tools include: Step-by-step guidance on instructional organization, behavior management, lesson planning, and formative and summative assessment User-friendly taxonomic guides to help readers quickly locate topics The latest information on student diversity, special needs, and lesson differentiation Teacher testimonials and examples Explanations of education standards and initiatives Each key concept is addressed in a resource-style format with activities and reproducible that can be customized. Teachers will also find lesson plan templates, graphs, charts, quizzes, and games—all in one easy-to-use source.
Author: Carol A. Tomlinson
Publisher: ASCD
ISBN: 0871205122
Category : Education
Languages : en
Pages : 128
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Book Description
Offers a definition of differentiated instruction, and provides principles and strategies designed to help teachers create learning environments that address the different learning styles, interests, and readiness levels found in a typical mixed-ability classroom.
Author: Melvil Dewey
Publisher:
ISBN:
Category : Electronic journals
Languages : en
Pages : 844
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Book Description
Includes, beginning Sept. 15, 1954 (and on the 15th of each month, Sept.-May) a special section: School library journal, ISSN 0000-0035, (called Junior libraries, 1954-May 1961). Also issued separately.
