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Modification and Configuration of Century 4.0 Model in Nutrient Simulation: A Step by Step Process by Prof Paul Ola Igboji Phd (Paperback / softback, 2016)
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Modelling helps to understand the principal mechanisms affecting ecosystem functioning, and the causes of disturbances to them. They are essential for long term predictions and in making recommendations aimed at reducing harmful effects and preventing environmental disturbances (Ifremer, 2005).Many authors have demonstrated the benefits of using computer models in agriculture (Farage et al., 2005; Paul et al., 2003; Webb et al., 2003; Pumpanen et al., 2003; Qian et al. 2003; Parton, 1996; Smith et al., 1996, 1997). Although mechanistic soil-crop models are increasingly accepted as valuable tools in analysing agromical or environmental issues potential users are faced with an equally increasing number of available models (Gabrielle et al., 2002; Plentinger and Penning de Vries, 1995; Farage et al., 2005; Paul et al., 2003; Webb et al., 2003; Pumpanen et al., 2003; Qian et al. 2003; Parton, 1996; Smith et al., 1996, 1997). In addition, little information is given as to the validity, limits and potential applications of these models, which would provide some guidance in the selection of the most appropriate package. As a result, models are chosen on the basis of practical criteria such as code accessibility or the existence of user-friendly interfaces rather than scientific assessment of their expected performance (Gabrielle et al., 2002). Again, although testing the models over long time-scales may t be possible in all cases, the description of processes in the model can be validated (Bente et al., 2004). The most important data for such research are long-term experiments with a duration of more than 20 years, with information available about SOM pool dynamics during the experimental period (Lyudmila et al., 2003). In this present work more than 35 years data were used which fits within the recommended range. Amongst the models that have been tested in various ecosystem and cropping system are the CENTURY 4.0, RothC, CERES, NCSOIL, SUNDIAL and STICS. These have been evaluated in the domain of carbon and nitrogen cycling and sequestration (Gabrielle et al., 2002; Plentinger and Penning de Vries, 1995; Farage et al., 2005; Paul et al., 2003; Webb et al., 2003; Pumpanen et al., 2003; Qian et al. 2003; Parton, 1996; Smith et al., 1996, 1997). RothC 26.3 model was developed with data from the long-term Broadbalk experiment at Rothamsted for monitoring the turver of carbon in n-waterlogged topsoils that allows for the effects of soil type, temperature, moisture content and plant cover on the turver process.Product Identifiers
PublisherCreatespace Independent Publishing Platform
ISBN-101536825336
ISBN-139781536825336
eBay Product ID (ePID)227686858
Product Key Features
SubjectEarth Sciences
LanguageEnglish
TypeTextbook
AuthorProf Paul Ola Igboji Phd
FormatTrade Paperback (Us) ,Unsewn / Adhesive Bound, Paperback / Softback
Additional Product Features
Date of Publication31/07/2016
Country of PublicationUnited States
Author BiographyDr Paul Ola Igboji was born to the family of Mr Godwin Igboji and Mrs Cordelia Igboji of Igbeagu, Izzi Abakaliki, Ebonyi State, Nigeria on 24th September 1963. Married to Mrs Nelly Esther Igboji (Nee Nnnenna Nwankwo Okey). Father to Eugene Igboji, Eusebius Igboji, Juliet Okey, Emmanuel Okey, Samuel Okey, Augustine N Onwe, Ngozika Ezema, and Esther Obiora. Holds a PhD in Environmental Sciences and Honorary Professor of Science and Doctor of Science of Cambridge Biographical Institute. Listed in International Literatures - Whos Who in the World; Whos Who in Science and Engineering; Dictionary of International Biography and Cambridge Blue Book. Founder/Advocate: World Citizens in Pain, Suffering, Labour with Dignity, Peace and Freedom; Institute for the Advancement of Ebonyi Friendship and Hospitality; Institute of Maternal Fraternity; Institute of Paternal Fraternity and Others. Creative output listed in Google Scholar, PhD Tree and Pradbook amongst others. Lecturer, Department of Soil Science and Environmental Management, Ebonyi State University, Abakaliki, Nigeria. Have over sixty peer reviewed articles in National and International Journals. Associate Editor, Lawarence Press, New Delhi, India and Regional Editor, IDOSI Publishers.
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