22nd DSSAT Development Sprint

January 6 - 10, 2025

Hosted by

Global Food Systems Institute

& Department of Agricultural and Biological Engineering

University of Florida

122 & 201 Frazier Rogers Hall

Gainesville, Florida

Hybrid Meeting

ZOOM Main Session:

Meeting ID: 985 0897 2687

Passcode: 553620

https://ufl.zoom.us/j/98508972687?pwd=eVdJRm40a3FsZzQ2bjZDaVREcTFnQT09

Development Sprint Web Portal:
https://sites.google.com/site/dssatdevelopmentsprint/home

Priorities and Deliverables:
https://docs.google.com/spreadsheets/d/1UJ6W5jIpZ_PAiaqOmpLKDH9qwAHIp5yu2gIVgN67pdA/edit?usp=sharing

Goals

Improve DSSAT, the Cropping System Model and associated tools, application programs, and data bases
Provide a forum for communications and information exchange among developers, users and others interested in modeling and decision support systems
Entrain new developers in DSSAT protocols and methods

Participants

In-Person

Willingthon Pavan, Cheryl Porter, Vakhtang Shelia, Ken Boote, Fabio Oliveira, Thiago Berton Ferreira, Henrique Boriolo Dias, Mariely Lopes dos Santos, Cleverson de Freitas, Kapil Bhattarai, Virginia Covert, and Gerrit Hoogenboom, ABE - University of Florida
Rishabh Gupta, University of Florida
Ayman Suleiman, University of Jordan/University of Florida
Alexandre Zanatta, University of Passo Fundo/University of Florida
Julia Boscariol Rasera, ESALQ-University of São Paulo/University of Florida
Bill Batchelor, Auburn University
Jose Guarin, Columbia University
Bruce Kimball, USDA-ARS (retired)
Montse Salmeron, University of Kentucky
Cara Mathers, Soil Health Institute
Patricia Moreno, CIAT, Kenya
Santiago Cuadra, Embrapa, Brazil
Jagadish Timsina, International Fertilizer Development Center

Virtual

Kelly Thorp, USDA-ARS
Phil Alderman, Oklahoma State University
Arthur Borges Bringel Machado, University of Missouri
Diego Quintero, University of Alabama in Huntsville
Nathan Bombana, International Fertilizer Development Center
Jhonny Vasquez, Costa Rica
Diego Pequeño, CIMMYT, Mexico
Huan Liu, Aarhus University, Denmark
Jose Mauricio Fernandes, Embrapa, Brazil
Sohail Khan, Gomal University, Pakistan
Francisco Villalobos, University of Cordoba, Spain
Murilo Vianna, Forschungszentrum Jülich, Germany
Jon Lizaso, Universidad Politécnica de Madrid, Spain
Evandro da Silva, ESALQ-University of São Paulo, Brazil
Valentina Stocca, Technical University Munich, Germany
Hüdaverdi Gürkan, Turkish State Meteorological Service, Türkiye
David Clark, South African Sugarcane Research Institute, South Africa
Attachai Jintrawet, and Ratchaphum Jaikla, Chiang Mai University, Thailand
Emir Memic, Dennis Gekeler, and Jonas Trenz, University of Hohenheim, Germany

Agenda

Monday, January 6, 2025

08:00 EST Zoom Rooms Open

09:00 EST Welcome – Dr. Gbola Adesogan, Associate Vice President and Director – Global Food Systems Institute

09:10 EST Background & Introductions

DSSAT Sprint – Gerrit Hoogenboom
DSSAT Development: Past, Current & Future – Gerrit Hoogenboom
Contribution: Why, What & How – Each participant

09:30 EST DSSAT Sprint Program

Review of Agenda – Gerrit Hoogenboom & Cheryl Porter
Development Sprint priorities & schedule breakouts

10:00 EST Begin work in small groups (Zoom breakout rooms available)

12:00 EST Lunch

13:00 EST Continue work in small groups (Zoom breakout rooms available)

17:30 EST Adjourn

Tuesday, January 7, 2025

07:30 EST Zoom Rooms Open

09:00 EST Presentation 1: Cheryl Porter - “2-D model update”

09:20 EST Presentation 2: Jagadish Timsina – “Perennial rice modeling”

09:40 EST Quick Check-in

10:00 EST Begin work in small groups (Zoom breakout rooms available)

12:00 EST Lunch

13:00 EST Continue work in small groups (Zoom breakout rooms available)

17:30 EST Adjourn

Wednesday, January 8, 2025

07:30 EST Zoom Rooms Open

09:00 EST Presentation 3: Alexandre Zanatta – “Continuous Integration & testing”

09:20 EST Presentation 4: Cara Mathers – “Estimating the stable carbon pool (SOM3)”

09:40 EST Daily Check-in

10:00 EST Begin work in small groups (Zoom breakout rooms available)

12:00 EST Lunch

13:00 EST Continue work in small groups (Zoom breakout rooms available)

17:30 EST Adjourn

Thursday, January 9, 2025

07:30 EST Zoom Rooms Open

09:00 EST Presentation 5: Julia Boscariol Rasera – “TREEGRO for citrus”

09:20 EST Presentation 6: Bruce Kimball - "Soil temperature update"

09:40 EST Daily Check-in

10:00 EST Begin work in small groups (Zoom breakout rooms available)

12:00 EST Lunch

13:00 EST Continue work in small groups (Zoom breakout rooms available)

17:00 EST Adjourn

18:30 EST Workshop dinner @ “to be determined.”

Friday, January 10, 2025

07:30 EST Zoom Rooms Open

09:00 EST Presentation 7:

09:20 EST Presentation 8:

09:40 EST Begin work in small groups (Zoom breakout rooms available)

11:00 EST Check-in and Final Report

12:00 EST Lunch

13:00 EST Continue work in small groups (Zoom breakout rooms available)

16:00 EST Check-in and Final Wrap-up

17:00 EST Sprint Closure

Top Priorities

DSSAT Version 4.8.x – Release notes & updates
- XB2, TSE – Attachai, Jazz, Emir, Thiago, Fabio
- New crops – Gerrit, Julia
Next generation tools
- Willingthon, Phil, Diego, Rishabh, Fabio, Kapil, Alexandre
Intercropping
- Patricia, Montse, Fabio, Gerrit
Pests, diseases, and hail damage
- Bill, Thiago, Willingthon, Mauricio, Ken, Gerrit
General crop model improvement
- Ken, Patricia, Henrique, David, Sohail, Jhonny, Gerrit, Vakhtang, Mariely, Valentina, Hudaverdi
Soil temperature
- Bruce, Fabio, Vakhtang
ICASA Standards
- Jeff, Cheryl, Gerrit, Thiago
DSSAT Web Portal & Documentation
- Willingthon, Jeff, Gerrit

Breakouts (others as needed)

• Intercropping

• Agrivoltaics

• Sugarcane modeling & model outputs

• Integration of the 2-D model for release with CSM

• Pest and disease modeling

• CropTest & model comparison: progress, planning, and documentation

• Continuous Integration & Testing

• ALOHA-Pineapple2

• Next Generation Tools

• ICASA Standards & Github

• Pythia/GSSAT2

• Flexible I/O

• High water table for NWHEAT

• Soil temperature

• XB2

• Remote sensing & NDVI integration

• Drought tolerant traits in CROPGRO

• PFM, senescence and carbon pools

• Energy balance

DSSAT Development Priorities

Click here for a guide to setting up your development environment for working on the DSSAT-Cropping System Model

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