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Author : Neal Wright
Publisher :
ISBN 13 :
Total Pages : 31 pages
Book Rating : 4.:/5 (122 download)
Download or read book Plant-Growth Chamber written by Neal Wright and published by . This book was released on 1961 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. Neal Wright
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (631 download)
Download or read book A Program-controlled Environmental Plant-growth Chamber written by L. Neal Wright and published by . This book was released on 1961 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert W. Langhans
Publisher : Comstock Publishing Associates
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.:/5 (319 download)
Download or read book A Growth Chamber Manual written by Robert W. Langhans and published by Comstock Publishing Associates. This book was released on 1978 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Light. Temperature. Humidity. Carbon dioxide. Air contaminants. Air movement. Nutrition, containers, and media. Watering systems. Pests and diseases. Preparing specifications. Special purpose chambers. Chamber maintenance. Experimental design.
Author : T.W. Tibbitts
Publisher : Elsevier
ISBN 13 : 0323150586
Total Pages : 432 pages
Book Rating : 4.3/5 (231 download)
Download or read book Controlled Environment Guidelines for Plant Research written by T.W. Tibbitts and published by Elsevier. This book was released on 2012-12-02 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Controlled Environment Guidelines for Plant Research contains the proceedings of the Controlled Environments Working Conference held in Madison, Wisconsin, on March 12-14, 1979. The papers propose guidelines for measuring and reporting environmental conditions in controlled environment facilities that affect plant growth, including temperature, radiation, carbon dioxide, soil moisture, atmospheric moisture, and air movement. They also suggest how to perform measurements accurately and in ways that can be repeated by other investigators. Organized into 34 chapters, this volume begins with an overview of measurement, instrumentation, and procedures for growing plants in controlled environments. It then turns to a discussion of radiation measurements for plant growth studies in controlled environments; principles of heat transfer; plant response to increased humidity; humidification and dehumidification; carbon dioxide variations within plant growth chambers; and watering of plants in controlled environments. The reader is also introduced to precision and replication of measurements, along with interactions among environmental factors such as water, light intensity, mineral supply, temperature, air pollution, and nutritional preconditioning. Biologists and engineers, as well as plant physiologists and physicists, will find this book extremely useful.
Author : J. H. Rediske
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Controlled Environment Growth Chamber for Plants written by J. H. Rediske and published by . This book was released on 1956 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Jack Downs
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (37 download)
Download or read book Environment and the Experimental Control of Plant Growth written by Robert Jack Downs and published by . This book was released on 1975 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction. Temperature. Light. Carbon Dioxide. Water. The environmentel complex. Controlled environmentes for plant research.
Author : Robert W. Langhans
Publisher :
ISBN 13 :
Total Pages : 254 pages
Book Rating : 4.F/5 ( download)
Download or read book Plant Growth Chamber Handbook written by Robert W. Langhans and published by . This book was released on 1997 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : New York State College of Agriculture
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.E/5 ( download)
Download or read book Proposal for Chambers for Growth of Plants Under Controlled Environmental Conditions written by New York State College of Agriculture and published by . This book was released on 1953 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R.J. Downs
Publisher : Elsevier
ISBN 13 : 0323160948
Total Pages : 154 pages
Book Rating : 4.3/5 (231 download)
Download or read book Environment and the Experimental Control of Plant Growth written by R.J. Downs and published by Elsevier. This book was released on 2012-12-02 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environment and the Experimental Control of Plant Growth centers on the general role of environmental factors in plant growth and methods of providing the desired levels and limit of control. The book is organized into seven chapters focusing on the various factors in the environment, such as temperature, light, carbon dioxide, and water. It also describes the controlled environments for plant research. This book will help biologists understand what he is buying or constructing in terms of environment variability in plant growth facilities. It will also provide some help and guidance to those who have encountered the problem of not obtaining the degree of control they have expected in the units they have in hand.
Author :
Publisher : Crop Biotechnology
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4./5 ( download)
Download or read book Control growth environment - Growth chambers written by and published by Crop Biotechnology. This book was released on with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert J. Downs
Publisher :
ISBN 13 :
Total Pages : 145 pages
Book Rating : 4.:/5 (474 download)
Download or read book Environment and the experimental control of plant growth written by Robert J. Downs and published by . This book was released on 1977 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plant-growth Chamber written by and published by . This book was released on 1971 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David T. Smernoff
Publisher :
ISBN 13 :
Total Pages : 90 pages
Book Rating : 4.:/5 (317 download)
Download or read book Controlled Ecological Life Support System written by David T. Smernoff and published by . This book was released on 1987 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R.P. Prince
Publisher :
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.:/5 (476 download)
Download or read book Controlled Environment Plant Growth written by R.P. Prince and published by . This book was released on 1976 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Hagerott
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.:/5 (417 download)
Download or read book Controlled Environment Plant Growth Center written by David Hagerott and published by . This book was released on 1990 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mitchel P. McClaran
Publisher : University of Arizona Press
ISBN 13 : 9780816518234
Total Pages : 364 pages
Book Rating : 4.5/5 (182 download)
Download or read book The Desert Grassland written by Mitchel P. McClaran and published by University of Arizona Press. This book was released on 1997-09-01 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: The mixed grass and shrub vegetation known to scientists as desert grassland is common to the basins and valleys that skirt the mountain ranges throughout southwestern North America, extending from Arizona, New Mexico and Texas down through thirteen Mexican states. This variegated ground cover is crucial to life in an arid environment. The Desert Grassland offers the most comprehensive study to date of these flora and the rich biotic communities they support.Leading experts in geography, biology, botany, zoology, and geoscience present new research on the desert grassland and review a vast amount of earlier work. They reveal that present-day grasses once grew in the ice-age forests that existed in these areas before the climate dried and the trees vanished and how the intensity and frequency of fire can influence the plant and animal species of the grassland. They also document how the influence of humans--from Amerindians to contemporary ranchers, public land managers, and real estate developers--has changed the relative abundance of woody and herbaceous species and how the introduction of new plants and domesticated animals to the area has also affected biodiversity. The book concludes with a review of the attempts, both failed and successful, to reestablish plants in desert grasslands affected by overgrazing, drought, and farm abandonment.Meticulously researched and copiously illustrated, The Desert Grassland is a major contribution to ecological literature. For advanced lay readers as well as students and scholars of history, geography, and ecology, it will be a standard reference work for years to come.
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781721671281
Total Pages : 28 pages
Book Rating : 4.6/5 (712 download)
Download or read book Development of Algorithms for Control of Humidity in Plant Growth Chambers written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-21 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Algorithms were developed to control humidity in plant growth chambers used for research on bioregenerative life support at Kennedy Space Center. The algorithms used the computed water vapor pressure (based on measured air temperature and relative humidity) as the process variable, with time-proportioned outputs to operate the humidifier and de-humidifier. Algorithms were based upon proportional-integral-differential (PID) and Fuzzy Logic schemes and were implemented using I/O Control software (OPTO-22) to define and download the control logic to an autonomous programmable logic controller (PLC, ultimate ethernet brain and assorted input-output modules, OPTO-22), which performed the monitoring and control logic processing, as well the physical control of the devices that effected the targeted environment in the chamber. During limited testing, the PLC's successfully implemented the intended control schemes and attained a control resolution for humidity of less than 1%. The algorithms have potential to be used not only with autonomous PLC's but could also be implemented within network-based supervisory control programs. This report documents unique control features that were implemented within the OPTO-22 framework and makes recommendations regarding future uses of the hardware and software for biological research by NASA. Costello, Thomas A. Kennedy Space Center
