Overseer has been widely accepted by regional councils as the
tool to use for understanding the flow of nutrients on and off a
farm. In particular, Environment Canterbury has recognised Overseer
as the applicable model to be used when considering nutrient issues
under the Regional Plan, or resource consent applications.
This approach from councils has come under fire this year, with
concerns raised about whether a model that was developed to
indicate nutrient loss (in particular nitrogen) was appropriate to
be used as a hard-and-fast rule governing our farming industry.
Whether you agree with it or not, Overseer seems here to stay.
One of the key issues that has arisen for users of Overseer is that
it is frequently updated – with Version 6.2.1 released in
December 2015. The concern for users of Overseer is that each
version can result in different 'numbers' being generated.
For example, it is anticipated that Version 6.2.1 may result in the
figures showing an