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Selwyn Times: September 01, 2021

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SELWYN RURAL LIFE<br />

Wednesday <strong>September</strong> 1 <strong>2021</strong> <strong>Selwyn</strong> <strong>Times</strong> 31<br />

Farmers feeling vindicated<br />

on Overseer<br />

‘We told you so’, farmers are saying about<br />

an Overseer critique.<br />

Farmers the length of the country have<br />

long-accused regional councils of overreach<br />

in their use of the Overseer Nutrient<br />

Management Modelling Tool.<br />

OverseerFM is used by councils all over<br />

New Zealand as the basis for granting<br />

consents, checking compliance and<br />

enforcement against farmers. Across<br />

the farming kaleidoscope of <strong>Selwyn</strong>,<br />

Overseer has spurred all sorts of on-farm<br />

changes, from livestock systems to crop<br />

management.<br />

Federated Farmers environment<br />

spokesperson Chris Allen, from upcountry<br />

Ashburton, said the foundations<br />

of New Zealand’s farm environment<br />

management system had been rocked to<br />

the core by the recent release of the report.<br />

Federated Farmers had been fighting<br />

against the use of Overseer by councils<br />

to define regulations for nutrient<br />

management on farm for more than a<br />

decade “simply because of its lack of<br />

accuracy”. The recent independent report<br />

into Overseer was scathing, he said. “It<br />

basically says Overseer should never have<br />

been used for anything other than general<br />

on-farm nutrient use management.”<br />

Despite this, more than 6000 farmers<br />

were “strictly regulated by Overseer”, while<br />

another 5000 must do Farm Environment<br />

Plans with Overseer nutrient budgets.<br />

This number included drystock, dairy,<br />

horticulture, arable and other farmers.<br />

Environment Canterbury (ECan) chief<br />

executive, Stefanie Rixecker, said Overseer<br />

was used extensively in Canterbury to<br />

model nutrient losses from land uses and<br />

in the regulatory framework.<br />

“It is important for our consenting,<br />

compliance monitoring and enforcement,<br />

and farm environment plan auditing<br />

processes,” she said. “Our Resource<br />

Management Act plans and consents<br />

use Overseer - together with farm<br />

environment plans and independent audit<br />

- to maintain or improve water quality by<br />

minimising nitrate-nitrogen losses.<br />

ECan now needed time to consider the<br />

review so we can be clear about how these<br />

processes may be impacted, but meantime<br />

welcomed the Government’s commitment<br />

to continue to support Overseer while it<br />

considered how to provide “upgraded and/<br />

or next-generation tools” over the next 12<br />

months.<br />

Dr Caroline Read, chief executive of<br />

Overseer Limited, said OverseerFM was<br />

proven in its ability to support farmers<br />

and growers make more informed<br />

decisions about their farming practices<br />

that help improve their environmental<br />

performance.<br />

“The extensive feedback from farm<br />

system experts and researchers using<br />

OverseerFM for more than 15 years,<br />

including the 12,000 farm businesses<br />

currently in OverseerFM, shows that<br />

while it’s not perfect, the tool produces<br />

results consistent with current scientific<br />

understanding and farm practice,” she<br />

said.<br />

OverseerFM’s strength was that it<br />

provided farmers and growers with a<br />

“common platform for engaging on farm<br />

nutrient management” including with<br />

their regional council, irrigation scheme,<br />

processor, farm consultant and each other<br />

through catchment groups. The tool was<br />

doing what it’s designed to do. “It provides<br />

farmers and growers with a comparable<br />

estimate of the risk of nutrient losses<br />

based on their farm management<br />

approach, allowing them to assess how<br />

efficiently their farm systems use the<br />

available nutrients and how changes in<br />

farm practices could affect N-loss risks,”<br />

Dr Read said.<br />

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