The Mathematics of Turfgrass Maintenance, 3rd Edition

Book Description

Loaded with helpful hints and easy-to-understand examples, this book covers the type of mathematical problems that face golf course superintendents every day. How to handle budgeting estimates, apply fertilizers and pesticides accurately, the ordering of topdressing, irrigation volume and coverage, area and volume calculations, and many other parts of golf course operation require a thorough understanding of basic mathematical principles. This book has the solution you need! Example problems, and the answers, along with additional practice material is guaranteed to help you get the job done right.

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This book is Misnamed...........2000-04-30

It should be named something like the "Essential Math Reference Book for Farmers, Landscapers, Golf Course Superintendants, Nursery Managers etc." What a wonderful and easy to use reference book for anyone dealing with the frustrating world of area measurements, volume/fertilizer/pesticide/irrigation/seeding rate calculations, and spreader and spayer calibration. I've worn out one copy and am on my second. I use it on my farm, at work as a pesticides applicator, and in my landscaping business. This is a must-have book for folks like me that hate math but have to use it almost everyday....believe me your money won't be wasted on this one and it won't just collect dust on your shelf.

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Modeling Phosphorus in the Environment

Manufacturer: CRC
ProductGroup: Book
Binding: Hardcover

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ASIN: 0849337771

Book Description

Despite advances in modeling, such as graphical user interfaces, the use of GIS layers, and databases for developing input files, the approaches to modeling phosphorus (P) have not changed since their initial development in the 1980s. Current understanding of P processes has evolved and this new information needs to be incorporated into the current models. Filling this need, Modeling Phosphorus in the Environment describes basic approaches to modeling P, how the current models implement these approaches, and ways to improve them. The book sets the scene with a review of general approaches to modeling runoff and erosion, P in runoff, leaching of P, stream processes that affect P, and an examination of the important issue of model uncertainty. It describes state-of-the-science watershed-scale P transport models including dynamic semi-disturbed models, models of intermediate complexity, and two lumped models. Phosphorus Indexes (PIs) represent one end of the modeling spectrum and the book takes a comprehensive look at PIs developed in each state, and illustrates some of the problems encountered when incorporating PIs into farm-scale manure management software. The book discusses monitoring data, which is critical for calibrating models, and concludes with suggestions for improving the modeling of P. From researching mechanisms to applying regulations, the uses of phosphorus models have increased as our knowledge of the effects of phosphorus in the environment has increased. Drawing on contributions from experts, the book gives you the tools to select the model that best fits your needs.

Soil Conservation Service Curve Number (SCS-CN) Methodology (Water Science and Technology Library, Vol. 42) (Water Science and Technology Library)

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Soil Conservation Service Curve Number (SCS-CN) Methodology (Water Science and Technology Library, Vol. 42) (Water Science and Technology Library)
S.K. Mishra , and V.P. Singh
Manufacturer: Springer
ProductGroup: Book
Binding: Hardcover

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ASIN: 1402011326

Book Description

The book is divided into nine chapters, treating the following topics: a brief introduction of rainfall-runoff modeling and elements of catchment, precipitation, interception, surface detention and depression storage, evaporation, infiltration, runoff, and the runoff hydrograph; the factors affecting the curve number (CN), the determination of CN, the use of NEH-4 tables, sensitivity analysis, advantages and limitations of the SCS-CN method, and application to distributed watershed modeling; an analytical derivation of the SCS-CN method focusing on the Mockus and other methods; a determination of `S' using the volumetric concept encompassing an analytical derivation, verification of the existing AMC criteria, determination of S, use of NEH-4 tables and advantages and limitations of the modified model; the determination of `S' using physical principles, involving Fokker-Planck equation of infiltration, description of S, S/P relations for the modified model and determination of Ds from universal soil loss equation; simulation of infiltration and runoff hydrographs, with particular emphasis on SCS-CN-based infiltration and runoff models and application of infiltration and runoff models; long-term hydrologic simulation and hydrologic models of Williams and LaSeur, Hawkins, Pandit and Gopalkrishnan, and Mishra and others; rainfall-excess computation, soil moisture budgeting, catchment routing, and baseflow computation; transport of pollutants in urban watersheds; and sediment yield.

Litter Decomposition: a Guide to Carbon and Nutrient Turnover, Volume 38

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Litter Decomposition: a Guide to Carbon and Nutrient Turnover, Volume 38

Manufacturer: Academic Press
ProductGroup: Book
Binding: Paperback

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ASIN: 012373617X

Book Description

Litter Decomposition describes one of the most important processes in the biosphere the decay of organic matter. It focuses on the decomposition process of foliar litter in the terrestrial systems of boreal and temperate forests due to the greater amount of data from those biomes. The availability of several long-term studies from these forest types allows a more in-depth approach to the later stages of decomposition and humus formation. Differences between the decay of woody matter and foliar litter is discussed in detail and a different pattern for decomposition is introduced.

While teachers and students in more general subjects will find the most basic information on decomposition processes in this book, scientists and graduate students working on decomposition processes will be entirely satisfied with the more detailed information and the overview of the latest publications on the topic as well as the methodological chapter where practical information on methods useful in decomposition studies can be found. Abundant data sets will serve as an excellent aid in teaching process and will be also of interest to researchers specializing in this field as no thorough database exists at the moment.

* Provides over 60 tables and 90 figures
* Offers a conceptual 3-step model describing the different steps of the decomposition process, demonstrating changes in the organic-chemical structure and nutrient contents
* Includes a synthesis of the current state of knowledge on foliar litter decomposition in natural systems
* Integrates more traditional knowledge on organic matter decomposition with current problems of environmental pollution, global change, etc.
* Details contemporary knowledge on organic matter decomposition

Soil-Machine Interactions (Books in Soils, Plants, & the Environment) (Books in Soils, Plants, and the Environment)

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Soil-Machine Interactions (Books in Soils, Plants, & the Environment) (Books in Soils, Plants, and the Environment)
Shen
Manufacturer: CRC
ProductGroup: Book
Binding: Hardcover

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ASIN: 0824700813

Book Description

Aiming to improve work efficiency in such areas as tillage in agriculture, earth-moving in civil engineering, and tunnel-making in sea-bed operations, this work offers an introduction to Finite Element Method (FEM) analysis of soil-machine systems. It explains the advantage of FEM's numerical approach over traditional analytical and empirical methods of dealing with complex factors from nonlinear mechanical behaviour to geometric configurations.

Contemporary Statistical Models for the Plant and Soil Sciences

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Contemporary Statistical Models for the Plant and Soil Sciences
Oliver Schabenberger , and Francis J. Pierce
Manufacturer: CRC
ProductGroup: Book
Binding: Hardcover

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ASIN: 1584881119

Book Description

Despite its many origins in agronomic problems, statistics today is often unrecognizable in this context. Numerous recent methodological approaches and advances originated in other subject-matter areas and agronomists frequently find it difficult to see their immediate relation to questions that their disciplines raise. On the other hand, statisticians often fail to recognize the riches of challenging data analytical problems contemporary plant and soil science provides. The first book to integrate modern statistics with crop, plant and soil science, Contemporary Statistical Models for the Plant and Soil Sciences bridges this gap. The breadth and depth of topics covered is unusual. Each of the main chapters could be a textbook in its own right on a particular class of data structures or models. The cogent presentation in one text allows research workers to apply modern statistical methods that otherwise are scattered across several specialized texts. The combination of theory and application orientation conveys ìwhyî a particular method works and ìhowî it is put in to practice. About the CD-ROM The accompanying CD-ROM is a key component of the book. For each of the main chapters additional sections of text are available that cover mathematical derivations, special topics, and supplementary applications. It supplies the data sets and SAS code for all applications and examples in the text, macros that the author developed, and SAS tutorials ranging from basic data manipulation to advanced programming techniques and publication quality graphics. Contemporary statistical models can not be appreciated to their full potential without a good understanding of theory. They also can not be applied to their full potential without the aid of statistical software. Contemporary Statistical Models for the Plant and Soil Science provides the essential mix of theory and applications of statistical methods pertinent to research in life sciences.

Theoretical Approaches to Biological Control

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Theoretical Approaches to Biological Control

Manufacturer: Cambridge University Press
ProductGroup: Book
Binding: Hardcover

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ASIN: 0521572835

Book Description

Biological control is the suppression of pest populations by using predators, parasitoids, and pathogens. Historically, biological control has largely been used on a trial-and-error basis, and has failed more often than it has succeeded. However, by developing theories based on fundamental population principles and the biological characteristics of the pest and agent, we can gain a much better understanding of when and how to use biological control. This volume gathers recent theoretical developments and provides a balanced guide to the important issues that need to be considered when applying ecological theory to biological control.

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Biological control is the suppression of pest populations using predators, parasitoids and pathogens. Historically, biological control has largely been on a trial-and-error basis, and has failed more often than it has succeeded. However by developing theories based upon fundamental population principles and the biological characteristics of the pest and agent, we can gain a much better understanding of when and how to use biological control. This book gathers together recent theoretical developments and provides a balanced guide to the important issues that need to be considered in applying ecological theory to biological control. It will be a source of productive and stimulating thought for all those interested in pest management, theoretical ecology and population biology.

Linear Models for the Prediction of Animal Breeding Values (Cabi Publishing)

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Linear Models for the Prediction of Animal Breeding Values (Cabi Publishing)
R. Mrode
Manufacturer: CABI
ProductGroup: Book
Binding: Paperback

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ASIN: 0851990002

Book Description

Best Linear Unbiased Prediction (BLUP) has become the most widely accepted method for genetic evaluation of domestic livestock. Since its introduction, the method has evolved and despite this there is no simple text on the application of linear models to the predictions of breeding values.
This book has been written with a good balance of theory and application to fill this gap. Equations for partitioning breeding values into contributions from various sources of information are derived under the various models. Recent developments in the analysis of longitudinal data with random
regression models and the inclusion of genetic marker information in the evaluation of animals have been incorporated. Threshold models have been introduced in addition to the basic concepts and methods for variance compenent estimation including the use of the Gibbs sampler. Overall, the book has
been thoroughly updated since the first edition was published in 1996. It will appeal to advanced students in animal breeding and genetics.

Working with Dynamic Crop Models: Evaluation, Analysis, Parameterization, and Applications

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Working with Dynamic Crop Models: Evaluation, Analysis, Parameterization, and Applications

Manufacturer: Elsevier Science
ProductGroup: Book
Binding: Hardcover

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ASIN: 0444521356

Book Description

Many different mathematical and statistical methods are essential in crop modeling. They are necessary in the development, analysis and application of crop models. Up to now, however, there has been no single source where crop modelers could learn about these methods. Furthermore, these methods are often described in other contexts and their application to crop modeling is not always straightforward.

This book aims at making a large range of relevant mathematical and statistical methods accessible to crop modelers. Each methodology chapter starts from basic principles and simple applications and builds gradually to state-of-the-art methods. Crop models are used as examples, and practical advice on applying the methods to crop models is given.

Working with Dynamic Crop Models is an essential learning and reference resource for students and researchers who want to understand and apply rigorous methods to crop models. This book will also be of value for other fields which use dynamic models of complex systems.

Topics covered include:
* Parameter estimation- including Bayesian methods
* Model evaluation- including prediction quality and decision quality
* Sensitivity analysis- including global analysis and interactions
* Data assimilation- the Kalman filter and extensions
* Management optimization- including stochastic optimization
* Models for multiple fields- emphasizing how to obtain input values
* Crop models and crop breeding - recent advances in using crop
models

Topics covered include:
* Parameter estimation- including Bayesian methods
* Model evaluation- including prediction quality and decision quality
* Sensitivity analysis- including global analysis and interactions
* Data assimilation- the Kalman filter and extensions
* Management optimization- including stochastic optimization
* Models for multiple fields- emphasizing how to obtain input values
* Crop models and crop breeding - recent advances in using crop models

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Problem Solving in Soil Mechanics
Ali Aysen
Manufacturer: Taylor & Francis
ProductGroup: Book
Binding: Hardcover

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ASIN: 9058095312

Book Description

Problem Solving in Soil Mechanics is primarily designed as a supplement to Soil Mechanics: Basic Concepts and Engineering Applications, but can be used as an independent problem solving text, since there is no specific reference to any equation or figure in the main book. This book is written for university students taking first-degree courses in civil engineering, environmental and agricultural engineering. Its main aim is to simulate problem solving learning as well as facilitating self-teaching. The special structure of the book makes it possible to be used in two, three and four year undergraduate courses in soil mechanics. However, as new and advanced topics are included, the book will also be a valuable resource for the practicing professional engineer. This book is written for readers that have prior knowledge in soil mechanics; however, necessary basic information is included in each worked example.

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