Ernesto,
I am nor familiar with the IMPACT model. Have you looked at the IFSM
model - it incorporates some of the models from DSSAT 3 (maize, wheat,
and soybeans) plus ALSIM1 for alfalfa and GRASIM for grass. It has both
beef and dairy components, including grazing. The reference manual does
a pretty good job of describing how the models were incorporated or
modified. The main problem may be getting the level of detail from the
outputs that you need.
Download the reference manual and model at
http://www.ars.usda.gov/main/docs.htm?docid=8519
"http://www.ars.usda.gov/main/docs.htm?docid=8519"
Good Luck,
Stu
Ernesto Viscarra wrote:
> Dear Friends:
>
> First, have my kindest Greetings from Bolivia. I'm a researcher in the field of Impacts of Climate Change in Agriculture in Bolivia for the main crops grown (rice, maize, soybean and sugar cane). I've already finished the analysis for rice, and commencing the analysis for maize, we are working with the DSSAT series of crop models, unfortunately, DSSAT doesn't have a livestock model, so searching on the internet I found the IMPACT model, which is very suitable for a farming integrated assessment. In this sense, I would like to know where can I get this software and any further documents about it, I've already got the user's manual but the software isn't available on the internet, where can I get it?.
>
> That's all for now, I hope to hear from you soon, any help will be really appreciated.
>
> Kind regards,
>
>
> Ernesto Viscarra Riveros
> Economista Ambiental
> Programa Piloto Departamental de Adaptación al Cambio Climático
> REED Camerún
> FUNDACION AMIGOS DE LA NATURALEZA (FAN - BOLIVIA)
> Casilla Postal 2241
> Teléfono: ++591-3-3556800; Fax:++591-3-3547383
> Dirección: Km. 7 y 1/2 carretera antigua a Cochabamba Santa Cruz - Bolivia
> www.fan-bo.org<http://www.fan-bo.org>
>
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--
Stuart Rymph, PhD, CCA, PAS
Manager Dairy Nutrition and Technical Services
Land O'Lakes Purina Feed LLC
6063 Beckman Rd.
Mazomanie, WI 53560
Cell: (608)469-8538
Fax: (608) 795-0021
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