Copper: nm Copper is a trace element involved in photosynthesis and plant biosynthesis. It is used in vines to prevent certain diseases, for example to fight against many diseases, particularly cryptogamic (mildious, bacteriosis, blister, scab, etc.). It has the disadvantage of accumulating in soils where it can reach toxic concentrations for living beings. Since the development of Bordeaux mixture in 1885, the c...
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