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Author: Ines, A. V. M.Droogers, P.Makin, I. W.Das Gupta, A.
Publisher: IWMI
ISBN: 9290904585
Category : Crops
Languages : en
Pages : 35
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Book Description
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: Ines, A. V. M.Droogers, P.Makin, I. W.Das Gupta, A.
Publisher: IWMI
ISBN: 9290904585
Category : Crops
Languages : en
Pages : 35
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Book Description
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: William Stephens
Publisher: CABI
ISBN: 9780851998541
Category : Technology & Engineering
Languages : en
Pages : 304
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Book Description
The use of crop-soil modelling has so far been mainly confined to the research community. Practical applications have occurred in the areas of decision tools for irrigation studies and pest management. However, there is potential to increase its applied use.This book reviews progress in crop-soil simulation modelling and assesses its application to agriculture in developing countries. It is based on work sponsored by the Natural Resources Systems Programme of the UK Department for International Development.
Author: Michael I. Gangwer
Publisher:
ISBN:
Category : Soil management
Languages : en
Pages : 490
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Book Description
Author: Balram Panigrahi
Publisher: CRC Press
ISBN: 1315342219
Category : Science
Languages : en
Pages : 367
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Book Description
This book discusses the development of useful models and their applications in soil and water engineering. It covers various modeling methods, including groundwater recharge estimation, rainfall-runoff modeling using artificial neural networks, development and application of a water balance model and a HYDRUS-2D model for cropped fields, a multi-model approach for stream flow simulation, multi-criteria analysis for construction of groundwater structures in hard rock terrains, hydrologic modeling of watersheds using remote sensing, and GIS and AGNPS.
Author: GR Walker
Publisher: CSIRO PUBLISHING
ISBN: 0643106111
Category : Technology & Engineering
Languages : en
Pages : 40
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Book Description
Each booklet in The Basics of Recharge and Discharge series covers a specific technique for detecting, measuring or modelling groundwater recharge and discharge. Part 10 provides an overview of the use of plot scale models in estimating deep drainage. This booklet explains how such models can add understanding to deep drainage studies. It describes the different broad types of plot-scale models that are available and how they can be most appropriately used. Throughout the booklet, clear examples demonstrate the potential applications for a range of simulation models. They contrast the features and capabilities of the models and illustrate what can be achieved through modelling. The chapter finishes by describing how to test models and where to find more information on the models most commonly used in Australia.
Author: William Rulon Tillotson
Publisher:
ISBN:
Category : Evapotranspiration
Languages : en
Pages : 72
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Book Description
Author: Lajpat Ahuja
Publisher: Water Resources Publication
ISBN: 9781887201087
Category : Technology & Engineering
Languages : en
Pages : 388
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Book Description
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: Bruno Basso
Publisher:
ISBN:
Category : Digital mapping
Languages : en
Pages : 386
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Book Description
Author: Lajpat Ahuja
Publisher: ASA-CSSA-SSSA
ISBN: 9780891181675
Category : Science
Languages : en
Pages : 456
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Book Description
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: Peter Droogers
Publisher: IWMI
ISBN: 9290904437
Category : Crops and water
Languages : en
Pages : 21
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Book Description
A global estimate of the potential for rain-fed agriculture could provide an answer to the question “How much irrigation is required?” Global studies done to date have relied on course resolution climate data (0.5-1 degree arc). In this study a high-resolution climate dataset (10-minute arc) was combined with a soil water storage capacity map and a dynamic water and crop model to estimate the potential for rain-fed agriculture. The methodology applied here, based ona high-resolution climate dataset, allows analyses on a global scale without losing the smaller regional-scale issues.
