... absorb MU slow release semi-organic fertilizer 15-5-10,60%MU,15% organic matter1. Product Features: ... 53Water soluble potash(K2O)1010Ca1.51.5Mg1.51.5S44B0.10.1Cu0.050.05Total nutrient30294. Caution:1. Need ... 0mmMU slow release semi-organic fertilizer 15-5-10,60%MU,15% organic matterMU slow release semi ... -organic fertilizer 15-5-10,60%MU,15% organic matter MU slow release ...