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
Inconvenient truth
OPINION: You would've missed this one if you rely on mainstream media for your news, but your old mate reckons…
Keep it real
OPINION: With the Government applying some fiscal discipline to scientific research funding, this mutt thinks it might be timely to…
» eNewsletter
