Polyhalite Fertiliser | 4-in-1 Mineral (K, Ca, Mg, S) Size:1.5kg containers

containers

Rate: 100–200g per m² | Method: Work into top 10–15cm

no trace minerals

Brussels sprouts

which is critical for roses in dry summers when erratic soil moisture disrupts the transpiration stream and causes calcium delivery failures

Polyhalite Fertiliser | 4-in-1 Mineral (K, Ca, Mg, S) Size:1.5kg containersOverview The Science How to Use FAQ Polyhalite fertiliser four macronutrients in one Yorkshire mineral Mined in Yorkshire 4 Macronutrients EU Organic Approved Slow Release Chloride Free Recyclable Packaging Polyhalite is a naturally occurring mineral fertiliser that supplies four macronutrients potassium, calcium, magnesium and sulphur from a single Yorkshire crystal. It's mined from beneath the North Yorkshire coast at Boulby the world's only