PREFACE ΤΟ THE ENGLISH EDITION. In laying a version of M. Ville's last work before the British public the Editor wishes to point out that it resolves itself into two portions, interwoven with each other, but so distinct in their purport that the one may be accepted without approval of the lessons of the other. The purely technical, agricultural part of the work is an admirably clear and luminous summary of the teachings of M. Ville's larger work, Artificial Manures' (Longmans and Co.) It contains much additional practical evidence on the successful working of the author's system of artificial manuring. The theory of 'dominants' is enforced by actual experiments carried out not only in France but in other countries. The use |