Over time, concentrated sulfur can form acid, which lowers soil pH, so adding ferrous sulfate to soil can help combat this.

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 ...

The Soil Nutrient Health Scheme (SNHS) continues to roll out across Northern Ireland with soil sampling underway in Zone 3, ...