GECROS, a detailed eco-physiological crop growth simulation model to analyse genotype-environment interactions

Submitted by joost.wolf on Tue, 04/12/2011 - 12:31
General
Name
GECROS
Program type
Crop growth simulation model
Available since
Description

GECROS uses robust, yet simple algorithms to summarize the current knowledge of individual physiological processes and their interactions and feedback mechanisms. It was structured from the basics of whole-crop systems dynamics to embody the physiological causes rather than descriptive algorithms of the emergent consequences. It also attempted to model each process at a consistent level of detail, so that no area is overemphasized and similarly no area is treated in a trivial manner. Main attention has been paid to interactive aspects in crop growth such as photosynthesis-transpiration coupling via stomatal conductance, carbon-nitrogen interaction on leaf area index, functional balance between shoot and root activities, and interplay between source supply and sink demand on reserve formation and remobilization. GECROS combines robust model algorithm, high computational efficiency, and accurate model output with minimum number of input parameters that require periodical destructive sampling to be estimated.

See for more information and for downloading GECROS:

http://www.csa.wur.nl/UK/Downloads/Gecros/?wbc_purpose=Basic&WBCMODE=PresentationUnpublished

 

 

 

Scale of application
field
Spatial resolution
ha
Key outputs

Total biomass production, yield, evapo-transpiration, crop's nitrogen uptake, crop's carbon distribution, crop's nitrogen distribution

Time horizon
growth period
Time step of modeling
day
Required to run

FST, FORTRAN

Required to develop

FST, FORTRAN

Database I/O
text editor
Applications & Use

GECROS can be used for detailed analysis of crop experiments and in particular, of  the interactive aspects in crop growth such as photosynthesis-transpiration coupling via stomatal conductance, carbon-nitrogen interaction on leaf area index, functional balance between shoot and root activities, and interplay between source supply and sink demand on reserve formation and remobilization.

Author(s)
Xinyou Yin
Address
CSA, Wageningen University, Droevendaalse steeg 1, Wageningen, The Netherlands