Сироватка та йод: як і коли працюють

Questions about the folk recipe for all plant diseases (whey + iodine) come every year. With them, "not everything is so clear", so my short answers in the comments could not fully cover this topic. Although there are many of you who are annoyed by my long stories, there are also many who want to "get to the bottom" of it. It is for you, the patient and curious, that today's video about all the secrets and subtleties of iodine and whey in gardening (and horticulture).