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This is a discussion on High Nitrogen fertilizer and systemic pesticides within the General Orchid Culture forums, part of the Orchid Culture category; It was always my understanding that Urea was basically useless to Epiphytic plants, due to ...
It was always my understanding that Urea was basically useless to Epiphytic plants, due to the lack of the correct bacteria to break down the Urea into something utilizable by the plant.
However, if the bacteria could be identified, it could be added to the media, assuming there are no potential health risks for the plant and Urea fertilizer could be used.