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Working with Dynamic Crop Models

Working with Dynamic Crop Models PDF Author: Daniel Wallach
Publisher: Elsevier
ISBN: 008046193X
Category : Technology & Engineering
Languages : en
Pages : 465

Book Description
Mathematical models are being used more and more widely to study complex dynamic systems (global weather, ecological systems, hydrological systems, nuclear reactors etc. including the specific subject of this book, crop-soil systems). The models are important aids in understanding, predicting and managing these systems. Such models are complex and imperfect. One fundamental research direction is to seek a better understanding of how these systems function, and to propose mathematical expressions embodying that understanding. However, this is not sufficient. It is also essential to have tools (often mathematical and statistical methods) to aid in developing, improving and using the models built from those equations. The book is specifically concerned with the application of methods to crop models, but much of the material is also applicable to dynamic system models in other fields. The goal of this book is to fill that gap.* State-of-the-art methods explained simply and illustrated specifically for crop models* Parameter estimation – applying statistical methods to the complex case of crop models, including Bayesian methods * Includes model evaluation, understanding and estimating prediction error* Offers a unique data assimilation by using the Kalman filter and beyond

Working with Dynamic Crop Models

Working with Dynamic Crop Models PDF Author: Daniel Wallach
Publisher: Elsevier
ISBN: 008046193X
Category : Technology & Engineering
Languages : en
Pages : 465

Book Description
Mathematical models are being used more and more widely to study complex dynamic systems (global weather, ecological systems, hydrological systems, nuclear reactors etc. including the specific subject of this book, crop-soil systems). The models are important aids in understanding, predicting and managing these systems. Such models are complex and imperfect. One fundamental research direction is to seek a better understanding of how these systems function, and to propose mathematical expressions embodying that understanding. However, this is not sufficient. It is also essential to have tools (often mathematical and statistical methods) to aid in developing, improving and using the models built from those equations. The book is specifically concerned with the application of methods to crop models, but much of the material is also applicable to dynamic system models in other fields. The goal of this book is to fill that gap.* State-of-the-art methods explained simply and illustrated specifically for crop models* Parameter estimation – applying statistical methods to the complex case of crop models, including Bayesian methods * Includes model evaluation, understanding and estimating prediction error* Offers a unique data assimilation by using the Kalman filter and beyond

Operations Research Mathematics and Models

Operations Research Mathematics and Models PDF Author: Saul I. Gass
Publisher: American Mathematical Soc.
ISBN: 0821800299
Category : Business & Economics
Languages : en
Pages : 210

Book Description
Contains lectures that emphasize specific areas of operations research and the mathematics used in modeling and solving the related problems.

Australian Government Publications

Australian Government Publications PDF Author: National Library of Australia
Publisher:
ISBN:
Category : Australia
Languages : en
Pages : 636

Book Description


A guide to the CIMMYT crop management and physiology subprogram

A guide to the CIMMYT crop management and physiology subprogram PDF Author: Acevedo, E.
Publisher: CIMMYT
ISBN: 9789686127829
Category :
Languages : en
Pages : 172

Book Description
Strategic plan; External program review (EPR); Five-year plan; Currentactivities; Future issues; Acknowledgments; History of wheat crop management and physiology research (CMP) at CIMMYT/Mexico; Background; Evolution of CMP research objectives; Achievements; Research highlights; Support to trial and nursery management; Investigations of the agronomy of new materials; Development of screening techniques for abiotic stresses; Interface with agronomy and pathology; On-farm trials; Nitrogen trials; Organic and inorganic fertilization of wheat; Drought responses; Physiology of yield potential; Heat stress responses; Present focus of CMP strategic research at CIMMYT; Component agronomy; Sustainability of major wheat cropping systems; Pakistan: a foundation for strategic research; Rice-wheat system: the CIMMYT CMP wheat program in South Asia; Soybean-wheat system: Southern cone; Sustaining wheat cropping systems of tropical highlands: a case study of wheat-maize in MexicoSupport to breeding; Physiology and agronomy of wheat grown in environments with supra-optimal temperatures (ME5); Morpho-physiological traits of adaptation in wheat; Agronomic support for management of CIMMYT wheat program trials and nurseries at experiment stations in Mexico, Adaptive crop management research; East Africa cereals program-wheat; Bangladesh wheat program; Crop management research (CMR) training; Types of courses.

Green Gasoline

Green Gasoline PDF Author: Mohammad Aslam
Publisher: Royal Society of Chemistry
ISBN: 1839167882
Category : Science
Languages : en
Pages : 371

Book Description
Green Gasoline covers a range of new technologies being used to produce green gasoline products and compares them to traditional fuels in terms of sustainability.

Transactions of the ASAE.

Transactions of the ASAE. PDF Author: American Society of Agricultural Engineers
Publisher:
ISBN:
Category : Agricultural engineering
Languages : en
Pages : 1024

Book Description


A Waste Treatment System for Confined Hog Raising Operations

A Waste Treatment System for Confined Hog Raising Operations PDF Author: William R. Park
Publisher:
ISBN:
Category : Feedlots
Languages : en
Pages : 428

Book Description


Modeling Crop Production Systems

Modeling Crop Production Systems PDF Author: P Singh
Publisher: CRC Press
ISBN: 1482280442
Category : Science
Languages : en
Pages : 534

Book Description
The use of simulation models is a necessity and also an aid in the decision-making process in sustainable agricultural systems. Organizing the experimental knowledge of crop production systems without the book keeping and deductive methods of mathematics is very difficult. This book aims to guide readers in the process by which the properties of th

Quantification of Climate Variability, Adaptation and Mitigation for Agricultural Sustainability

Quantification of Climate Variability, Adaptation and Mitigation for Agricultural Sustainability PDF Author: Mukhtar Ahmed
Publisher: Springer
ISBN: 3319320599
Category : Technology & Engineering
Languages : en
Pages : 440

Book Description
This book is a comprehensive volume dealing with climate change impacts on agriculture, and which can help guide the redesign of agricultural management and cropping systems. It includes mitigation techniques such as use of bioenergy crops, fertilizer and manure management, conservation tillage, crop rotations, cover crops and cropping intensity, irrigation, erosion control, management of drained wetlands, lime amendments, residue management, biochar and biotechnology. It also includes Management of GHG emissions Crop models as decision support tools QTL analysis Crop water productivity Impacts of drought on cereal crops Silvopastoral systems Changing climate impact on wheat-based cropping systems of South Asia Phosphorous dynamics under changing climate Role of bioinformatics The focus of the book is climate change mitigation to enhance sustainability in agriculture. We present various kinds of mitigation options, ways to minimize GHG emissions and better use of the latest techniques in conservation and environmental-sustainability.

Advances in Agronomy

Advances in Agronomy PDF Author: Donald L. Sparks
Publisher: Elsevier
ISBN: 0080544029
Category : Technology & Engineering
Languages : en
Pages : 253

Book Description
Advances in Agronomy has the highest impact factor among serial publications in Agriculture. The Science Citation Index, 1986, reports an impact factor over 2,459 and a cited half-life over 10 years.Volume 76 contains five excellent reviews on topics of great interest to crop and soil scientists as well as others in various fields. Chapter 1 is concerned with the potential of tropical soils to sequester carbon. Topics that are covered include soil inorganic and organic pools and dynamics, loss of soil organic pools from tropical soils, and potential for C sequestration in tropical soils. Chapter 2 covers the applications of crop/soil simulation models in tropical agricultural systems. Chapter 3 deals with interorganismal signaling in suboptimum environments with emphasis on legume-rhizobia symbiosis. Chapter 4 discusses the surface chemistry and function of microbial biofilms. The authors discuss biofilm formation and matrix architecture and general features and properties. Chapter 5 deals with vegetable crop scheduling and prediction. Topics that are covered include identification of stages of growth and development and experimental approaches for developing scheduling and prediction models. Advances in Agronomy has the highest impact factor among serial publications in Agriculture. The Science Citation Index, 1986, reports an impact factor over 2,459 and a cited half-life over 10 years.Volume 76 contains five excellent reviews on topics of great interest to crop and soil scientists as well as others in various fields. Chapter 1 is concerned with the potential of tropical soils to sequester carbon. Topics that are covered include soil inorganic and organic pools and dynamics, loss of soil organic pools from tropical soils, and potential for C sequestration in tropical soils. Chapter 2 covers the applications of crop/soil simulation models in tropical agricultural systems. Chapter 3 deals with interorganismal signaling in suboptimum environments with emphasis on legume-rhizobia symbiosis. Chapter 4 discusses the surface chemistry and function of microbial biofilms. The authors discuss biofilm formation and matrix architecture and general features and properties. Chapter 5 deals with vegetable crop scheduling and prediction. Topics that are covered include identification of stages of growth and development and experimental approaches for developing scheduling and prediction models.