Powerful screen protector. Why is it necessary to whiten trees in the fall? In the fall, chats at the dacha always split into two camps: some consider whitewashing trees a relic of the past and a waste of time, others consider it a mandatory ritual. In fact, the white layer on the bark is not a tribute to tradition, but a powerful protective screen against the insidious winter sun and deep frost cracks. The agronomist Nikolay Basrevov spoke about this, writes aif.ru. read more