Description
Langbeinite (0-0-22) is a naturally occurring 3-in-1 combination of potassium, magnesium and sulfur. Potassium is essential for high-quality fruit; magnesium is required for the synthesis of chlorophyll; and sulfur is needed for enzyme activation. Contains 22% potassium oxide, 11% magnesium and 22% sulfur. OMRI listed.