THE PRINCIPLES 



OF 



AGRICULTURAL PRACTICE 



AS AN 



INSTEUCTIONAL SUBJECT. 



BY 



JOHN WBIGHTSON, M.R.A.C., F.C.S., &c., 



EXAMINER IN AGRICULTURE TO THE SCIENCE AND ART DEPARTMENT; PROFESSOR OF 



AGRICULTURE IN THE NORMAL SCHOOL OF SCIENCE AND ROYAL SCHOOL OF MINES; 



PRESIDENT OF THE COLLEGE OF AGRICULTURE, DOWNTON, NEAR SALISBURY; 



LATE COMMISSIONER FOR THE ROYAL AGRICULTURAL SOCIETY 



OF ENGLAND, ETC., ETC. 



LONDON: CHAPMAN AND HALL, LD. 



1893. 



[All rights reserved.] 



