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It is time for flowering grapes. And before the grower there are many questions why the shedding of flowers and grape ovary occurs. Why are poorly pollinated varieties with a female-type flower? What can not be done before flowering grapes and why. I will tell in this video about what kind of preparations can be used to process the grapes for better fertilization before flowering. And just a few interesting points in the structure of the flowers of grapes. Why do you need fertilizing boron and plantafol.