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DSSAT
CHARLES WESLEY
URK17AC200
•Applicatons of DSSAT:
•Decision support system for
agrotechnology transfer (DSSAT)is a
Software application program.
•Climate change effects on crop
production.
•Interdisiciplainary research,understand
interactions
•Diagnose yield gaps,actual vs potential.
•Green house climate control.
•Quality pest damage effects on production.
•Yield forecasting.
•Precision farming.
•Land use planning linked GIS.
•Predicts future crop yield based on weather
data and field parameter
• These simulations are conducted at a daily step or in some cases, at
an hourly time step depending on the process and the crop model.
• At the end of each day, the plant and soil water, nitrogen,
phosphorus, and
• carbon balances are updated, as well as the crop’s vegetative and
reproductive development stage.
• For applications, DSSAT combines crop, soil, and weather data bases
with
• crop models and application programs to simulate multi-year
outcomes of crop management strategies.
• DSSAT integrates the effects of soil, crop phenotype, weather and
management options, and allows users to ask “what if” questions by
• conducting virtual simulation experiments on a desktop computer in
minutes which would consume a significant part of an agronomist’s
• DSSAT also provides for evaluation of crop model
outputs with experimental data, thus allowing users
to compare simulated outcomes with observed
results.
• This is critical prior to any application of a crop
model, especially if real-world decisions or
recommendations are based on modeled results.
• Crop model evaluation is accomplished by inputting
the user’s minimum data, running the model, and
comparing outputs with observed data.
• By simulating probable outcomes of crop
management strategies, DSSAT offers users
information with which to rapidly appraise new
crops, products,and practices for adoption.
• With the release of DSSAT v4.7, many changes have been
incorporated — from both the structure of the crop models
andthe interface to the models and associated analysis and
utility programs.
• The DSSAT package provides models of 42 crops with new
tools that facilitate the creation and management of
experimental, soil,and weather data files.
• DSSAT v4.7 also includes improved application programs for
seasonal, spatial, sequence and crop rotation analyses that
assess.
• the economic risks and environmental impacts associated with
• irrigation, fertilizer and nutrient management, climate
variability,

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Applications of dssat charles

  • 2. •Applicatons of DSSAT: •Decision support system for agrotechnology transfer (DSSAT)is a Software application program. •Climate change effects on crop production. •Interdisiciplainary research,understand interactions •Diagnose yield gaps,actual vs potential.
  • 3. •Green house climate control. •Quality pest damage effects on production. •Yield forecasting. •Precision farming. •Land use planning linked GIS. •Predicts future crop yield based on weather data and field parameter
  • 4. • These simulations are conducted at a daily step or in some cases, at an hourly time step depending on the process and the crop model. • At the end of each day, the plant and soil water, nitrogen, phosphorus, and • carbon balances are updated, as well as the crop’s vegetative and reproductive development stage. • For applications, DSSAT combines crop, soil, and weather data bases with • crop models and application programs to simulate multi-year outcomes of crop management strategies. • DSSAT integrates the effects of soil, crop phenotype, weather and management options, and allows users to ask “what if” questions by • conducting virtual simulation experiments on a desktop computer in minutes which would consume a significant part of an agronomist’s
  • 5. • DSSAT also provides for evaluation of crop model outputs with experimental data, thus allowing users to compare simulated outcomes with observed results. • This is critical prior to any application of a crop model, especially if real-world decisions or recommendations are based on modeled results. • Crop model evaluation is accomplished by inputting the user’s minimum data, running the model, and comparing outputs with observed data. • By simulating probable outcomes of crop management strategies, DSSAT offers users information with which to rapidly appraise new crops, products,and practices for adoption.
  • 6. • With the release of DSSAT v4.7, many changes have been incorporated — from both the structure of the crop models andthe interface to the models and associated analysis and utility programs. • The DSSAT package provides models of 42 crops with new tools that facilitate the creation and management of experimental, soil,and weather data files. • DSSAT v4.7 also includes improved application programs for seasonal, spatial, sequence and crop rotation analyses that assess. • the economic risks and environmental impacts associated with • irrigation, fertilizer and nutrient management, climate variability,