Compared to April 2015, the REINZ Dairy Farm Price Index fell by 24.1 per cent.
The sale of 30 Northland grazing units was the biggest transaction recorded in rural land sales in the region for the three months to April 30.
Their median sales price was $8985 a hectare, down from $18,553/ha a year ago.
The national median for grazing property sales, averaging 51ha, was $15.126/ha, down 9.6 per cent over the past 12 months.
Seven Northland finishing farms were sold in the three months to April 30, bringing $21,484 a hectare, up from $9426/ha a year ago.
The median price for finishing farms has risen 17.6 per cent nationally over the past 12 months.
Five Northland horticulture properties sold in the past three months averaged $161,667 a hectare.
The median sales price of the 74 horticulture farms sold nationally to April 30 was $244,365/ha, not far short of the $266,883 median for 73 horticulture blocks sold nationally at the same time last year.
Three Northland forestry blocks sold in the quarter to April 30 made $5715 a hectare, down from $8250/ha for regional sales a year ago.
Meanwhile, 247 Northland lifestyle blocks changed hands in the past three months, 41 more than in the same period last year.
There were 2376 lifestyle property sales nationally in the three months to April 30, the highest number of sales for 12 years, and the national median sales price for lifestyle blocks rose by $10,000 over the past 12 months to $562,500.
The 8719 lifestyle properties sold nationally in the year to April 30 were 31.1 per cent more than were sold in the previous year and the highest number of annual sales since August 2004.