An important fertiliser aid has been culled from farmers' chemical shopping lists after it turned up in milk products destined for human consumption.

As valuable to marine life as it is prized by humans, the Hauraki Gulf is in decline. Though solutions seem as elusive as the gulf's fish stocks, a groundswell is building for collaboration.

A Treasury forecast of a plunging kiwi dollar should mean a surge in the New Zealand primary sector, says a new MAF report.