Release notes

 This section describes the changes in the model with respect to the preceding ORYZA2000 version released.

·     ORYZA  version 3 (June 2014) - with bug fixes and modifications

ORYZA version 3, a release version, has the following changes and bug fixes since the official release of in December 2013.

Click  HERE  to read more about the changes with respect to version 2.13.



·     ORYZA  version 3 (December 2013)

ORYZA version 3, a release version, has the following changes since the official release of ORYZA2000 version 2.13 in November 2009.

Click  HERE  to read more about the changes with respect to version 2.13.



·     ORYZA2000  v.2.13 (November 2009)

Since last official release of ORYZA2000 (version 2.12) in 2004, some additional works have been done from 2004 to 2008 with respect to version 2.12.

Click  HERE  to read more about the changes with respect to version 2.12.



·     ORYZA2000  v.2.12 (November 2004)

There are minor changes made with respect to version 2.11 as released in 2004 (June). 

Click HERE to read more about the changes with respect to version 2.11.


·     ORYZA2000  v.2.11 (June 2004)

This section describes the changes in this model with respect to ORYZA2000 version 2.10 as released in 2004 (January). 

Click HERE to read more about the changes with respect to version 2.10.


·     ORYZA2000  v.2.10 (January 2004)

This section describes the changes in this model with respect to ORYZA2000 version 2 as released in 2003 (May). 

Click HERE to read more about the changes with respect to version 2.00.


·     ORYZA2000  v.2.00 (May 2003)

This section describes the changes with respect to ORYZA2000 Version 1 as released in 2001 with the book ORYZA2000: modeling lowland rice by Bouman et al. (2001). It should be noted that the changes made to accommodate upland rice and ‘aerobic’ rice (see Paragraph 3) are experimental only, but are incorporated to encourage model users to experiment and further develop ORYZA2000.

Click  HERE to read more about the changes with respect to FSE shell.

Click  HERE to read more about the changes with respect to Water balance.

Click  HERE to read more about the changes with respect to Aerobic and upland rice.

Click  HERE to read more about the changes with respect to Effect of drought computation.


·     ORYZA2000 (2001)

This  section documents the ecophysiological crop model ORYZA2000 to simulate the growth, development, and water balance of lowland rice.

Click  HERE to read more about the scientific documentation of ORYZA2000.