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Improvement of ORYZA2000 Execution Environment
for a Decision Support System to Optimize Planting Date
of Rice Farming in Rainfed Area
NARO Agricultural Research Center (NARO/ARC)
Kei TANAKA, Takuji KIURA
2014/1/21 1 APAN 37th Meeting, Bandung
Contents 1. Backgrounds
– GRENE-ei CAAM Project
2. Evaluation System for the Effects of Climate Change on Agriculture
3. ORYZA
– Execution Method
– Simulation Flow
– Results & Problems
4. Summary
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Backgrounds • Asian monsoon region
– 60 % or more of the world's population lives in
– Most of the countries are agrarian
– Effects of climate change will be quite serious
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Thailand, 2011 Philippines, 2013
GRENE-ei CAAM
1. Climate change research (CCR)
2. Agricultural effect research (AER)
• Development of “Evaluation System” to clarify the influence of the climate change on major crops
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Thailand
Vietnam Philippines
Indonesia
4 Target Countries
Evaluation System for the Effects of Climate Change on Agriculture in the Asian Monsoon Region
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Agro-Climate Database
・ Air Temp. ・ Solar Radiation ・ Soil Moisture ・ ・・・
MetBroker
Result Data ・ Crop Yield ・ Growth Period
with Effects of Climate Change
Data Viewer App
Rice
Cassava
Maize
Sugarcane
Vegetables
・・・
Crop Models DSSAT, ORYZA, ...
Meteorological Data
Forecast Meteorological Data under Climate Change
Field Data
Adaptation and Mitigation Strategies
AER1
CCR1 AER3
compare to validate
Crop Model Selection
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SIMRIW DSSAT ORYZA
User
JAPONICA
Japan Thailand Philippines
・・・
・・・
place / area selection
Area
Crop Model
Evaluation System
Model Execution Engine
SIMRIW Simulator for Cultivation Possibility of Rice
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• SIMRIW: rice model for potential production
• 1 degree grid data (15000 points in all over the world)
DSSAT Optimization System for Double Cropping of Rice and Cassava
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Rice (transplanting date: Aug 1, max cultivation period: 4 months)
Cassava (starting date: Dec 1, harvest date: Jul 15)
This system uses 0.05 degree grid weather data, and 0.5 degree result data is shown on maps.
ORYZA2000
• Rice model – to simulate the growth,
development, and water balance – under conditions of potential
production, and water and/or nitrogen limitations
• Bouman BAM, Kropff MJ, Tuong TP,
Wopereis MCS, ten Berge HFM, van Laar HH. 2001. ORYZA2000: modeling lowland rice. Los Baños (Philippines): International Rice Research Institute, and Wageningen University and Research Center. 235 p.
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Schematic Representation of ORYZA
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ORYZA2000 v2.13 • Execution File (ORYZAWin.exe) / FSEWin + ORYZA.fpf
• Data Files
– Control
– Experiment
– Crop
– Soil
– Rerun
• Weather Files
• Result Data Files (op.dat, res.dat, chart.txt)
Specifying data files with relative path
CNTR + ISTN . YEAR (ex. PHIL1.992)
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Experiment.dat
• Water production situation setting PRODENV = 'POTENTIAL' *PRODENV = 'WATER BALANCE' ! water-limited
• Water balance models WATBAL = 'PADDY' ! for lowland soils *WATBAL = 'SAHEL' ! for freely draining upland soils *WATBAL = 'SAWAH' ! for lowland or upland soils (Water balance model requires soil.dat file & irrigation parameters in experiment.dat file) SWITIR=0 ! rainfed
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Weather.dat • Longitude, Latitude, Altitude, Ångström parameters (a and b)
Station No., Year, Day, Irradiance(KJ/m2d), Min temp.(C), Max temp.(C), Vapor pressure(kPa), Mean wind speed(m/s), Precipitation(mm/d)
• PHIL1.992 121.25 14.18 21.0 0.00 0.00 1 1992 1 16379 21.6 29.0 2.38 1.9 0.0
• PHIL10.992 121.25 14.18 21.0 0.00 0.00 1 1992 1 16379 21.6 29.0 -99.0 -99.0 -99.0
• PANT1.992 78.47 29.0 243.84 0.29 0.42 1 1992 1 7.5 3.2 18.1 -99.0 -99.0 0.0
when solar radiation is available, Ångström parameters are set to 0
when using Priestley taylor or Makkink method for evapotranspiration calculation , vapor pressure, wind speed and precipitation not required
when using sunshine hours, Ångström parameters are required
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Rerun.dat
• RUNMODE = 'EXPLORATION'
• In a rerun, ORYZA is executed repeatedly, with new values of selected parameters.
* rerun set 1 STTIME = 2. * rerun set 2 STTIME = 3. ... * rerun set 364 STTIME = 365. moving start time from 1/1 to 12/31
RERUN is a convenient function to execute repeatedly by the exploration mode. However it executes in single thread. It takes time of execution time x frequency. (Ex. 0.4sec. × 365 = 146sec.)
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Flow to Simulate Yield with ORYZA
↓ input from Web user interface setup ( IYEAR, CNTR, ISTN, Variety, Fertilization, … ); modification of Experiment.dat & Control.dat files for ( STTIME = 1 to 365 ) { ← by rerun run ( ORYZA ) { read ( weather data ); while ( DVS < 2 ) calculation(); } } (about 150sec. by Core i7-2677M 1.8GHz) display or save ( result ); result.dat → chart or DB 2013/10/11 IRRI 15
Result of ORYZA (WRR14: weight of rough rice at 14% moisture) PHIL, 1, STTIME=Jan.~Dec. 1992 every 10 days
Water balance mode (Rainfed)
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Result of ORYZA (WRR14: weight of rough rice at 14% moisture) PHIL, 1, STTIME=Jan 1 1992 Rainfed - Potential
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On Demand ORYZA Execution Service
• How can we shorten execute time? (about 150sec. by Core i7-2677M 1.8GHz)
– High-speed computer
– Multi threading
– Every day → Every 5 days in dry season
– It may take more than ten seconds yet.
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Summary • GRENE-ei CAAM
– Climatic changes and evaluation of their effects on agriculture in the Asian monsoon region
• Evaluation System
– Crop model selection
• ORYZA2000
– Execution method
– Simulation flow
– Problems
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Future Plans • Evaluation system for the effects of climate change
on agriculture in the Asian monsoon region
– Increasing the kinds of the crops (Vegetables, ...)
– Expanding the target area (Indonesia, Vietnam, ...)
– Considering climate changes
– Speed-up of calculation
– Treatment of result files (Hadoop)
• Data viewer application
– As information infrastructure to develop adaptation and mitigation strategies against climate changes for agricultural sectors
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