Dear Dr. Yang:

For the model to be able to use your measured harvest dates you define
HARV=R (on reported date) and include a *HARVEST DETAILS section where you
define HDATE as your measured harvest date.  Make sure that the Treatments
point to the appropriate Harvest detail levels.

GH

At 04:43 PM 2/6/02 -0500, Jinzhong Yang wrote:
>Dear Gerrit and others:
>
>Thank you for your immediate and valuable reply.
>
>The problem reported in my last message disappeared after following your
>guide. However a new problem rises. If START is set to "I" and SDATE to any
>number larger than the largest among harvest date codes in Harvest Details
>Section in FILEX, then the model will output 0's for almost all growth
>traits such as LAI, SEED YIELD and BIOMASS etc. without warnings or errors
>reported by the model. However, if HARVS is changed from "R" to "A" in "Line
>4: Management" in Simulation Controls Section, the problem will disappear.
>
>I want the model to use my measured harvest dates rather than ones
>"automatic when conditions satisfactory."  Could you or somebody else help ?
>
>Jinzhong Yang