Two years into a four-year trial, about 35 tonnes of crushed glass has been laid at the base of pinot noir grape vines at Sandihurst winery in West Melton, New Zealand.

It all started with the idea that the sun reflecting off the glass mulch would produce better tasting grapes and better yields, so a pilot project was created to prove it.

Sandihurst director Hennie Bosman said he was ecstatic at the results because there was a noticeable improvement in the quality of the wine made from the trial batch. Read the rest of this entry »