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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 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 : 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 : 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 : 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 : 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 : 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 : 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 : Patricia L. Traynor
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.E/5 ( download)
Download or read book A Practical Guide to Containment written by Patricia L. Traynor and published by . This book was released on 2001 with total page 80 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 : Brian L. Roy
Publisher :
ISBN 13 :
Total Pages : 260 pages
Book Rating : 4.:/5 (2 download)
Download or read book Development and Evaluation of an Adaptive Control Procedure for Carbon Dioxide Control in Environmental Growth Chambers written by Brian L. Roy and published by . This book was released on 1988 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yang Mu
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (436 download)
Download or read book A Distributed Control System for Low Pressure Plant Growth Chambers written by Yang Mu and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: All the sensors were first tested under low pressure, and those that were found to be influenced by pressure, such CO2 and O2 sensors, were then recalibrated with premixed gases under different pressures. Total pressure, and partial pressures of CO2, O2, and N2, relative humidity were controlled, separately and efficiently. Short term plant tests were conducted to study the effects of different pressure, CO2 and radiation on plant growth. This system was able to provide various environmental conditions that the tests required. Finally, an 8-step systematic approach was generalized for developing low-pressure plant growth systems.
Author : L. T. Evans
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (846 download)
Download or read book Environmental Control of Plant Growth written by L. T. Evans and published by . This book was released on 1963 with total page 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:
Author : Roger Dungan
Publisher :
ISBN 13 :
Total Pages : 138 pages
Book Rating : 4.:/5 (154 download)
Download or read book The Light Environment Within Large Open-topped Experimental Growth Chambers and Its Implications for Plant Growth written by Roger Dungan and published by . This book was released on 1994 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 122 pages
Book Rating : 4.:/5 (317 download)
Download or read book A Study of the Control Problem of the Shoot Side Environment Delivery System of a Closed Crop Growth Research Chamber written by and published by . This book was released on 1992 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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
