Translations:Benutzer:Arian/Klett-Mini-Test/1070/en

All this, however, means that the root is estranged from its evolutively endowed function by so-called "mineral fertilization." The middle zone — rhythmically populated with root hairs, lying between the life pole of the root tip and the death pole of the lignifying root — gradually loses its metabolically and sense-active function; it becomes passive. The plant is tended to be thrown back into an earlier state of evolution, in which it was a purely "water-born" being, floating freely as the algae in the salt water of the world's oceans. But now, having developed itself through long-enduring steps of development into an "earth-born" being with roots, standing freely