C. M. AIKMAN, M.A., D.Sc., F.R.S.E., F.I.C. - Manures and the principles of manuring - 4 - Charles Morton Aikman

PRINCIPLES OF MANURING FORMERLY PROFESSOR OF CHEMISTRY, GLASGOW VETERINARY COLLEGE, AND EXAMINER IN CHEMISTRY, GLASGOW UNIVERSITY; AUTHOR OF 'FARMYARD MANURE,' ETC.

C. M. AIKMAN, M.A., D.Sc., F.R.S.E., F.I.C.