Une étude visionnaire de la botanique, écrite au XIXe siècle par un scientifique allemand. Rauch propose des idées audacieuses pour la régénération de la nature végétale dans des conditions climatiques changeantes, en utilisant des méthodes de plantation novatrices. Ce livre est une source d'inspiration pour tous ceux qui cherchent des solutions durables aux défis environnementaux actuels.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.