Growers are counting the cost as drinking habits change.
Around 100 thousand tonnes of grapes —a fifth of the crop— were left on the vine last year after exports couldn’t keep up.
Soljans Estate vineyard manager Tai Nelson told Ryan Bridge they just haven't been able to sell their product.
He says demand generally has dropped.
LISTEN ABOVE

Mark Revill-Johnson: Institute of Driver Educators President on the changes to the drivers licensing system
03:24

Michael Gordon: Westpac Senior economist on the expectation the unemployment rate will hold steady at 5.3%
02:58

Mike Pearse: UK correspondent on Peter Mandelson quitting the House of Lords
02:42