|Appearance||Dark brown to black powder or flake|
|PH (1:5 Water)||8.0-11.0|
|Moisture (%)||5.0 Max|
|Organic matter (%)||50.0-60.0|
|Nitrogen (%)||1.0 Min|
|Potassium (%)||16.0 - 22.0|
|Alginic acid (%)||10.0 Min|
|Iron (%)||0.2 Min|
|Mannitol (%)||2 Min|
|Total amino acid (%)||1.5-3.5|
(1)Promote effective utilization of fertilizers in soil. It also can promote the absorption of N, P, K and trace element in plants.(2)Improve soil structure, improve water storage capacity, anti-hard-water ability and air permeability of soil, increase the amount of organic matters in soil.(3)Stimulate activities of soil microorganism, reduce pollutants in the soil, adjust the PH value of soil and decrease the damages caused by acid or alkaline.
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