Электронный сборник научных трудов "Здоровье и образование в XXI веке". Vol. 12. 2010. P.. 115-116
The content of vitamin C in the productive elements of the structure of the herb Echinacea purpurea - leaves and inflorescences, the most grass juice and pulp fresh, depending on the introduction of non-root fertilizing solutions of different complexes of trace elements and urea has been studied.