Mauget Inject-A-Min ManganeseInject A Min Manganese from Mauget contains manganese sulfate which is quite effective in rapidly overcoming manganese deficiencies in palms, maples, citrus and many other species of trees. Symptoms are usually displayed by leaves having darker green veins with a yellowing or loss of color between veins (generally, young leaves are affected. Inject a Min Manganese NPK (1 0 1) GUARANTEED ANALYSIS: Total Nitrogen (N).. 1. 000% 0. 40% Ammoniacal Nitrogen