XR5-KSB is a 4-0-20-5S with 0.5 boron that is intended to complement your foliar potassium program. XR5-KSB contains key nutrients often lost to weathering. Our combination of potassium thiosulfate and potassium acetate provides potassium and sulfur safely and efficiently in season.
Active Ingredients: N (4%); K20 (20%); S (5%); B .5%)
