... total amount of trace elements (boron, zinc, molybdenum, iron, so as to elements) ≥ 30 g / L, organic trace ≥ 80 g / L ... contains traces of a variety of amino acids, vitamin B, as well as sulfur, magnesium, calcium etc. Organic content g/L≥ 80 ... trace elements (for Zn, B, Mo) g/L≥ 30.0 plant growth regulator