DEAR LIST MEMBERS
WE HAVE PROBLEMS CALIBRATING DSSAT FOR MAIZE, WHEAT AND BARLEY. IN ALL CASES, SIMULATED VALUES ARE TOO LOW AS COMPARED TO OBSERVED VALUES. BY INSTANCE, MAXIMUM OBSERVED LAI FOR MAIZE IS 5.6 AND MAXIMUM SIMULATED LAI IS ONLY 2.0. DURING ALL LIFE CICLE OF THE CROP THE UNDERESTIMATION IS CONSTANT. WE DID CHANGE GENETIC COEFICIENTS IN MANY COMBINATIONS WITH NEGATIVE RESULTS. WE WILL APRECIATE ANY HELP ON THE FORMER.
MISAEL RODRÍGUEZ ARVIZU
UNIVERSIDAD AUTONOMA AGRARIA ANTONIO NARRO
BUENAVISTA, SALTILLO, COAH., MEXICO.
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