Simulation Of Field Water Use And Crop Yield
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| Author | : R. A. Feddes |
| Publisher | : Halsted Press |
| Total Pages | : 188 |
| Release | : 1978-01-01 |
| Genre | : Crop yields |
| ISBN | : 9780470264638 |
Theory of field water use: basics of water flow i unsaturated soils;water uptake by plants roots;numerical approximation of flow in soil-root systems. Theory of crop production:mathematical description of growts;water and actual production;calculation of potential production. Theprogram:program for field water use, SWATR;program for crop production,CROPR;execution of SWATR; execution of CROPR.
| Author | : |
| Publisher | : |
| Total Pages | : 122 |
| Release | : 2001 |
| Genre | : |
| ISBN | : |
| Author | : Juan Antonio Rodríguez Díaz |
| Publisher | : MDPI |
| Total Pages | : 204 |
| Release | : 2020-04-30 |
| Genre | : Science |
| ISBN | : 3039287907 |
Irrigation is becoming an activity of precision, where combining information collected from various sources is necessary to optimally manage resources. New management strategies, such as big data techniques, sensors, artificial intelligence, unmanned aerial vehicles (UAV), and new technologies in general, are becoming more relevant every day. As such, modeling techniques, both at the water distribution network and the farm levels, will be essential to gather information from various sources and offer useful recommendations for decision-making processes. In this book, 10 high quality papers were selected that cover a wide range of issues that are relevant to the different aspects related to irrigation management: water source and distribution network, plot irrigation systems, and crop water management.
| Author | : Lajpat Ahuja |
| Publisher | : ASA-CSSA-SSSA |
| Total Pages | : 456 |
| Release | : 2008 |
| Genre | : Science |
| ISBN | : 9780891181675 |
Water stress and heat stress are considered to be two primary factors that limit crop production in many parts of the world. Global warming appears to be increasing the water requirements of plants. Understanding the impact of water deficit on plant physiological processes and efficient water management are of great concern in maintaining food production to meet ever increasing world food demand. The book addresses various climatic soil and plant factors that contribute to the water use efficiency in plants subjected to water stress. It covers all issues related to soil, plant and climatic factors that contribute to the crop responses to water stress. The books advances the knowledge in improving and sustaining crop yields in ever increasing unpredictable climatic fluctuations This book uses crop simulation models for response of crops to limited water under various management and climatic conditions.
| Author | : Lajpat Ahuja |
| Publisher | : Water Resources Publication |
| Total Pages | : 388 |
| Release | : 2000 |
| Genre | : Technology & Engineering |
| ISBN | : 9781887201087 |
This publication comes with computer software and presents a comprehensive simulation model designed to predict the hydrologic response, including potential for surface and groundwater contamination, of alternative crop-management systems. It simulates crop development and the movement of water, nutrients and pesticides over and through the root zone for a representative unit area of an agricultural field over multiple years. The model allows simulation of a wide spectrum of management practices and scenarios with special features such as the rapid transport of surface-applied chemicals through macropores to deeper depths and the preferential transport of chemicals within the soil matrix via mobile-immobile zones. The transfer of surface-applied chemicals (pesticides in particular) to runoff water is also an important component.
| Author | : Peter Droogers |
| Publisher | : IWMI |
| Total Pages | : 25 |
| Release | : 2001 |
| Genre | : Hydrologic models |
| ISBN | : 9290904313 |
A clear understanding of the current water balance is required to explore options for water saving measures. However, measurement of all the terms in the water balance is infeasible in terms of spatial and temporal scale, but hydrological simulation models can fill the gap between measured and required data. For a basin in Western Turkey, simulation modeling at three different scales, field, irrigation scheme and basin scale, was performed to obtain all terms of the water balance. These water balance numbers were used to calculate the Productivity of Water at the three spatial levels distinguished to assess the performance of the systems.
| Author | : Ines, A. V. M.Droogers, P.Makin, I. W.Das Gupta, A. |
| Publisher | : IWMI |
| Total Pages | : 35 |
| Release | : 2001 |
| Genre | : Crops |
| ISBN | : 9290904585 |
The study was on the performance of the decision support system for agrotechnology transfer (DSSAT) and the soil water atmosphere plant (SWAP) under an acid sulphate soil. The comparison of these models was done as a prerequisite to the selection of an appropriate model, which is capable of simulating water management scenarios, water balance and crop growth, to be coupled with an adaptive optimization algorithm that can be used to explore water management options.
| Author | : Weixing Cao |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 333 |
| Release | : 2010-07-10 |
| Genre | : Technology & Engineering |
| ISBN | : 3642011322 |
"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 | : H. van Keulen |
| Publisher | : |
| Total Pages | : 200 |
| Release | : 1975 |
| Genre | : Arid regions |
| ISBN | : |
| Author | : Food and Agriculture Organization of the United Nations |
| Publisher | : Food & Agriculture Org. |
| Total Pages | : 117 |
| Release | : 2018-06-25 |
| Genre | : Technology & Engineering |
| ISBN | : 9251093911 |
This handbook is a training tool to learn how to run AquaCrop. AquaCrop is a crop water productivity model developed by the Land and Water Division of FAO to address food security and to assess the effect of environment and management on crop production. AquaCrop simulates yield response to water of herbaceous crops, and is particularly suited to address conditions where water is a key limiting factor in crop production.
