Crop Modeling Workshop in ICRISAT

Visit report for the “International Crop Research Institute for Semi-Arid Tropics (ICRISAT)

Date:               25th -29th March 2013 from  8.30 A.M. – 9.45 P.M.

Place:               ICRISAT, Hyderabad, India

Participants:   

workshop participants

workshop participants

  • SewwandhiChandrasekara and YasasHarishchandra of FECT
  • Dr. Nissanka from UOP
  • Dr. W. Weerakoon and Ms. Punya Delpitiya from Dept. of Agri.
  • Prof. Champa from Ruhuna University
  • Ms. Sandya and Mr. Shan from SRI and other participants from developing countries.

Purpose:         Training on DSSAT and APSIM crop models.

The main objective of this visit is to participate AgMIP Multiple Crop Model Training Program and learn the DSSAT and APSIM crop models.

25th March 2013

Invited speakers for the training

Invited speakers for the training

In the morning session the participants introduced themselves, course objectives were discussed and overview of DSSAT and APSIM was conducted by the expertise. In the evening session, participants were grouped in to 2 groups based on the crop model what they were going to learn at the training period (i.e. DSSAT and APSIM).  Later in the evening, groups did the example for the models based on the guidelines.

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Ken Boote explaining overview of DSSAT

Ms. Sewwandhi, Dr. Nissanka and Dr. Weerakoon participated for the APSIM training and Mr. Yasas, Ms. Sandya, Mr. Shan and Prof. Champa participated for the DSSAT training. After the welcome dinner Sri Lankan team had prepared the presentation for the next day regarding the fast track done in Sri Lanka for rice at Kurunegala district.

26th March 2013

In the morning session, individual country groups presented their fast track presentations sent for the AgMIP. AgMIP expertise shared their opinions on Sri Lankan fast track. Such as simulated values should be larger than the observed and data received from Sri Lankan work had to revise. Further, expertise emphasized much on the uniqueness of the soil and reliability of using one rainfall station data. .In the evening genetic co-efficient calculation and procedure for inputting new parameters were practiced. Optional sessions were carried out in the late evening to night.

a5a6Figure 2: Ms. Sewwandhi (Left) and Mr. Yasas (Right) attending and practicing the crop models.

27th March 2013

In the morning session, participants did training using their own data.  In the evening AgMIP tools were discussed.

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Cheryl Porter helping on AgMIP tools to Sri Lankan team

Cheryl Porter helping on AgMIP tools to Sri Lankan team

28th March 2013

In the morning session, participants did training using their own data as other days.  Before the lunch, Ken Boote and other resource persons of AgMIP met Sri Lankan team and discussed on the fast track what Sri Lankan team did, what were the problems we faced, how to overcome these problems and future planning of ourselves. In the evening AgMIP tools were discussed again.

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Sri Lankan team with AgMIP resource person, discussing the fast track prepared by Sri Lankan team

Figure 4: Sri Lankan team with AgMIP resource person, discussing the fast track prepared by Sri Lankan team.

29th March 2013

In the morning session, presentations were carried out with individual country. These presentations include what the each participant did in this workshop and results obtained. IT tool was not succeeding for DSSAT and for APSIM the existing tool was not appropriate for the rice. Cheryl will develop the tool for it and will send us.

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AgMIP resource persons participated for the workshop

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Trainers participated for the workshop

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