Modelling and Experimental Studies of the Growth and Development of Wheat PDF Download
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Author: John R. Porter
Publisher:
ISBN:
Category : Wheat
Languages : en
Pages : 318
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Book Description
Author: John R. Porter
Publisher:
ISBN:
Category : Wheat
Languages : en
Pages : 318
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Book Description
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: Stephan J. Maas
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Stephan Joseph Maas
Publisher:
ISBN:
Category : Wheat
Languages : en
Pages :
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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: 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: Alderman, P.D.
Publisher: CIMMYT
ISBN:
Category :
Languages : en
Pages : 142
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Book Description
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: Lajpat R. Ahuja
Publisher: CRC Press
ISBN: 1000738086
Category : Science
Languages : en
Pages : 407
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Book Description
Most books covering the use of computer models in agricultural management systems target only one or two types of models. There are few texts available that cover the subject of systems modeling comprehensively and that deal with various approaches, applications, evaluations, and uses for technology transfer. Agricultural System Models in Field Res
Author: Afshin Soltani
Publisher: CABI
ISBN: 9781845939717
Category : Crop yields
Languages : en
Pages : 322
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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.
