... contains Comprehensive nutrition, reasonable formula, high levels of active ingredients. Specifications: Brown-black liquid, non ... 8.0. And contains traces of a variety of amino acids, vitamin B, as well as sulfur, ... magnesium, calcium etc. Organic content g/L≥ 80.0Total content of ... K2O) g/L≥ 170.0Total content of trace elements (for Zn, B, Mo) g/L≥ 30.0 ...