The Parliamentary Commissioner for the Environment, Simon Upton, has repeated his call for a full independent review of Overseer before any widespread adoption of it as a regulatory tool.

The key to using a catch crop to reduce onfarm nitrate leaching is to get it in the ground as soon as possible after winter feeding, says Plant and Food scientist Dr Brendon Malcolm.

A new version of Overseer now being rolled out will cost farmers a $200 a year subscription.

The Government is being called on to offer official guidance on how regional councils should use the nutrient measurement tool Overseer.

Ballance chief executive Mark Wynne says criticism of the nutrient management tool Overseer is “very old-school”.

Controversial farm management tool Overseer is getting $5 million state funding for an upgrade.

The spring months, as soils warm up, are when the work of fertilising begins.

A nutrient budget must be prepared for the area where effluent is to be applied. 

Ravensdown is welcoming the overhaul of the Overseer nutrient modelling tool.

Irrigated dairy farms can expect nitrogen loss figures to leap when they run the latest version of Overseer.