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Personne àcontacter Ms. adelle
xiazhuzhuang, tianjin, tianjin
Product Name: BB Leonardite Properties: Its appearance is black/brown powder. Compositions Percentage Mineral matter (ash) ****0 % of total leonardite - Fe2O3 5 - Al2O3 5 - SiO2 *0 - CaO 6 - MgO 1 - N 1.5 - P2O5 0.5 - K2O 2 Organic matter ****5 % of total leonardite - Humic acid *3 - Fulvic acid *0 - Humin 7