Gypsum is a highly available calcium source that provides immediately available sulphate sulphur, according to Lindsay Head - an independent horticulture consultant.
» Latest Print Issues Online
The Hound
Risky business
OPINION: In the same way that even a stopped clock is right twice a day, economists sometimes get it right.
Should've waited
OPINION: The proposed RMA reforms took a while to drop but were well signaled after the election.
» eNewsletter
