SOIL CONDITIONS 



AND 



PLANT GROWTH 



BY 



EDWARD J. RUSSELL, D.Sc. (LOND.) 



DIRECTOR OF THE ROTHAMSTED EXPERIMENTAL STATION, HARPEN3EN 



WITH SAG RAMS 



, , V 



NEW EDITION 



LONGMANS, GREEN AND CO. 



39 PATERNOSTER ROW, LONDON 



FOURTH AVENUE & 30TH STREET, NEW YORK 



BOMBAY, CALCUTTA, AND MADRAS 



1915 



