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Biodynamic wine production uses organic farming methods ( e.g. employing compost as fertilizer and avoiding most pesticides ) while also employing soil supplements prepared according to Rudolf Steiner 's formulas , following a planting calendar that depends upon astrological configurations , and treating the earth as " a " living and receptive " organism .
 Rudolf Steiner
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Rudolf Steiner