SLA Trace Elements FeCl2·4H2O, H2BO3, CoCl2.6H2O, ZnCl2, Na2MoC)4.2H2O, MnCl2.4H2O, NiCl2.6H2O, CuCl2.2H2O, and Na2SeO3·5H2O. Soil Extract African Violet ...
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