Field horsetail is an intractable weed of pastures and fields. Consider why it is difficult to eradicate.

Horsetails are difficult to eradicate because they have underground organs – rhizomes – that can withstand drought and fire; horsetail stems are tough and poisonous.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.