Hi C-H's, RE: >ES[Epsom salts MgSO4] when used with care and in the proper amounts >can supply magnesium and in so doing, increase the uptake of >calcium, so if your soil is magnesium >deficient, it can be of benefit. This is my point. I am not denying that plants need magnesium, sulphur or oxygen, but who has evidence that the application of MgSO4 has any beneficial effects on plants which are not deficient in these elements? -- --- Regards, Cameron.