Excerpt from La Production Électrique de l'Acide Nitrique: Avec les Éléments de l'AirJe vous demande la permission, avant d'aborder directement mon sujet, de vous présenter quelques considérations sur le rôle de l'azote comme agent de la fertilité du sol et, partant, comme fac teur très important de la production des ressources alimentaires du monde.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.