Orgainc Fertilizer that contains Comprehensive nutrition, reasonable formula, high levels of active ingredients. Specifications: Brown-black liquid, non-toxic, odorless, soluble in ... (P2O5), potassium (K2O) ≥ 170 g / l.The total amount of trace elements (boron, zinc, molybdenum, iron, so as to elements ... value 3.0 ~ 8.0. And contains traces of a variety of amino acids, vitamin B, as well as sulfur, ...