... 2. Neutralize both acid and alkaline soils, regulate the pH-value of soils, with the prominent effect in alkaline and acidic ... their uptake by the roots, as under high pH value many essential nutrients and trace element are not in plant ... the capacity of root to take up nutrients (N, P, K + Fe, Zn and other trace elements) as these elements ... weight also can satisfy customer's requirement. 90%min K-humate