Winter 2017
DOUBLE WHAMMY
www.waterfordpress.co.nz
Dolomite is hard to beat as a cost-effective source of magnesium and calcium, says Ross Wright, from Golden Bay Dolomite. It contains 59% calcium carbonate and 39% magnesium carbonate, so can help build both the magnesium and calcium basesaturation levels in soils, he says. More detail on page 42.