Polyhalite for organic gardening

[T]

https://en.wikipedia.org/wiki/Polyhalite
https://www.icl-uk.uk/product/polysulphate/

48% SO3 as sulfate
14% K2O as from sulfate of potash
6% MgO as from magnesium sulfate
17% CaO as from calcium sulfate

Any comments?

[songbird]

if you are in a highly alkaline location you likely
do not need any more salts or calcium. instead look
to growing organic materials that will eventually end
up being turned into humus. if you can salvage any
clean organic materials and get them used as mulch or
compost them you will instead be building topsoil and
building on top of that alkaline base. protect it
from the wind and getting blown or washed away.

elemental sulfur may likely be much more economical
as an acidifier.


songbird

[T]

Thank you!