Broken pieces of terra cotta pots can be moistened and used to rehydrate overdried herbs.
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Gentle Readers everywhere.
Botanicare - Rhizo Gel
IBA Rooting Hormone
Micronutrient values may show a zero value for missing data. Over time the dataset will improve, but keep in mind that in some instances; especially with natural materials, the listed values given are rough estimates and will vary with samples from different sources.