Overseer not fit for purpose

The use of the Overseer model as a regulatory tool has long been questioned by farmers and scientists. The government has tasked regional councils with the job of regulating nutrient losses to water, but nutrient losses are notoriously difficult to measure or even estimate. The Overseer model however existed, was already used by the industry - and produced estimates of leaching losses. Actual numbers, in black and white. Just what the councils needed.

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