Elemental Sulfur: This form can’t be used by plants, as it must be mineralized into sulfate. Only a small amount is mineralized naturally, depending on soil organic matter. Farm Journal Editor ...
In 1922, treatment of a light soil at Ormskirk with sulphur had given promising results, whilst in 1924 the amount of disease was reduced from 73 per cent, in untreated soil to 8 per cent ...