Plant Marvel Cal Mag Special 14-3-20 Plus Fertilizer (25 lb) is a high nitrate nitrogen, calcium and magnesium and a complete trace element package, combined in a soluble mix. The suggested rate of application for Cal Mag Special 14-3-20 is 200 to 300 PPM nitrogen. When adjusting rate of application, growth results and nutritional monitoring of Cal Mag Special should be used as a gauge.
Application: fertilizer.
Use on: plants.