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Author: W. Day
Publisher: Springer Science & Business Media
ISBN: 1489936653
Category : Science
Languages : en
Pages : 402
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Book Description
The concept of using mathematical models to investigate crop growth and productivity has attracted much attention in recent years. A major reason is that modelling can allow an expert in one area to assess the impact of his ideas in the light of other advances in our understanding of crop performance. Whether or not many of the claims made for or the demands made of models can ever be satisfied, this role as a focus for quantitative definition of crop growth is an important one. One consequence is that the development and appraisal of such models requires the efforts of scientists from a wide range of disciplines. This NATO Advanced Research workshop was designed to bring together such a range of scientists to consider the wheat crop, and assess our understanding of the crop and our ability to model its growth and yield. The ideas and organization behind the workshop involved many people. The U. K. interest in a computer model of wheat growth was instigated by Dr. Joe Landsberg (then of Long Ashton Research Station, but now Director of CSIRO Division of Forest Research), who in 1979 started a modelling exercise as part of a collaborative study of the causes of yield variation in winter wheat, involving four research institutes supported by the Agricultural and Food Research Council. Dr.
Author: W. Day
Publisher: Springer Science & Business Media
ISBN: 1489936653
Category : Science
Languages : en
Pages : 402
Get Book Here
Book Description
The concept of using mathematical models to investigate crop growth and productivity has attracted much attention in recent years. A major reason is that modelling can allow an expert in one area to assess the impact of his ideas in the light of other advances in our understanding of crop performance. Whether or not many of the claims made for or the demands made of models can ever be satisfied, this role as a focus for quantitative definition of crop growth is an important one. One consequence is that the development and appraisal of such models requires the efforts of scientists from a wide range of disciplines. This NATO Advanced Research workshop was designed to bring together such a range of scientists to consider the wheat crop, and assess our understanding of the crop and our ability to model its growth and yield. The ideas and organization behind the workshop involved many people. The U. K. interest in a computer model of wheat growth was instigated by Dr. Joe Landsberg (then of Long Ashton Research Station, but now Director of CSIRO Division of Forest Research), who in 1979 started a modelling exercise as part of a collaborative study of the causes of yield variation in winter wheat, involving four research institutes supported by the Agricultural and Food Research Council. Dr.
Author: Mona Maze
Publisher: Sudwestdeutscher Verlag Fur Hochschulschriften AG
ISBN: 9783838137476
Category :
Languages : en
Pages : 196
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Book Description
The purpose of this study was to develop a new crop simulation model that simulated the crop biomass and yield of winter wheat from accumulated thermal units and simple partitioning rules under the different water and weather conditions in Bavaria, by using the least required input data from the users, which permits a large section of users to use the model. Therefore, the simulated crop model was designed to be used not only at the research sector, but also at the educational and applied sectors. The developed model estimated also the winter wheat yield under the expected future weather conditions, by using the weather models REMO, CLM and STARII, for estimating the expected crop behavior and distribution of winter wheat till 2100.
Author: G.Y. Tsuji
Publisher: Springer Science & Business Media
ISBN: 9401736243
Category : Science
Languages : en
Pages : 405
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Book Description
The first premise of this book is that farmers need access to options for improving their situation. In agricultural terms, these options might be manage ment alternatives or different crops to grow, that can stabilize or increase household income, that reduce soil degradation and dependence on off-farm inputs, or that exploit local market opportunities. Farmers need a facilitating environment, in which affordable credit is available if needed, in which policies are conducive to judicious management of natural resources, and in which costs and prices of production are stable. Another key ingredient of this facilitating environment is information: an understanding of which options are viable, how these operate at the farm level, and what their impact may be on the things that farmers perceive as being important. The second premise is that systems analysis and simulation have an impor tant role to play in fostering this understanding of options, traditional field experimentation being time-consuming and costly. This book summarizes the activities of the International Benchmark Sites Network for Agrotechnology Transfer (IBSNAT) project, an international initiative funded by the United States Agency for International Development (USAID). IBSNAT was an attempt to demonstrate the effectiveness of understanding options through systems analysis and simulation for the ultimate benefit of farm households in the tropics and subtropics. The idea for the book was first suggested at one of the last IBSNAT group meetings held at the University of Hawaii in 1993.
Author: H.-J. Braun
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 606
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Book Description
Proceedings of the 5th International Wheat Conference, 10-14 June 1996, Ankara, Turkey
Author: William S. Boyd
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 196
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Book Description
Author: Weixing Cao
Publisher: Springer Science & Business Media
ISBN: 3642011322
Category : Technology & Engineering
Languages : en
Pages : 333
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Book Description
"Crop Modeling and Decision Support" presents 36 papers selected from the International Symposium on Crop Modeling and Decision Support (ISCMDS-2008), held at Nanjing of China from 19th to 22nd in April, 2008. Many of these papers show the recent advances in modeling crop and soil processes, crop productivity, plant architecture and climate change; the rests describe the developments in model-based decision support systems (DSS), model applications, and integration of crop models with other information technologies. The book is intended for researchers, teachers, engineers, and graduate students on crop modeling and decision support. Dr. Weixing Cao is a professor at Nanjing Agricultural University, China.
Author: Stephan J. Maas
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author:
Publisher: IRRI
ISBN: 9712201716
Category : Rice
Languages : en
Pages : 245
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Book Description
Author: Afshin Soltani
Publisher: CABI
ISBN: 1845939700
Category : Technology & Engineering
Languages : en
Pages : 336
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Book Description
Model studies focus experimental investigations to improve our understanding and performance of systems. Concentrating on crop modelling, this book provides an introduction to the concepts of crop development, growth, and yield, with step-by-step outlines to each topic, suggested exercises and simple equations. A valuable text for students and researchers of crop development alike, this book is written in five parts that allow the reader to develop a solid foundation and coverage of production models including water- and nitrogen-limited systems.
Author: Christopher B. S. Teh
Publisher: Dissertation.com
ISBN: 1581129998
Category : Technology & Engineering
Languages : en
Pages : 278
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Book Description
Learning mathematical modeling need not be difficult. Unlike other books, this book not only lists the equations one-by-one, but explains in detail how they are each derived, used, and finally assembled into a computer program for model simulations. This book shows how mathematics is applied in agriculture, in particular to modeling the growth and yield of a generic crop. Topics covered are agriculture meteorology, solar radiation interception and absorption, evapotranspiration, energy and soil water balance, soil water flow, photosynthesis, respiration, and crop growth development. Rather than covering many modeling approaches but in superficial detail, this book selects one or two widely-used modeling approaches and discusses about them in depth. Principles learned from this book equips readers when they encounter other modeling approaches or when they develop their own crop models.
