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A B C D E F H I J L M N O Œ P Q R S T V

QUARTZ (Quartz silica)

Silica quartz, used in the form of a 501 biodynamic preparation, is essential for improving photosynthesis and strengthening the vines' resistance to disease. This practice, which involves spraying a fine powder of dynamised quartz onto the vines, optimises the light energy absorbed and increases the vitality of the plants.[...]

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