ELEMENTARY 



AGRICULTURAL CHEMISTRY 



» A HANDBOOK FOR JUNIOR AGRICULTURAL 

 STUDENTS AND FARMERS ^ 



BY 



HERBERT INGLE, BSc, 



FELLOW OF THE ROYAL SOCIETY OF SOUTH AFRICA, OF THE INSTITUTE 



OF CHEMISTRY AND OF THE CHEMICAL SOCIETY, MEMBER OF 



THE BRITISH AND SOUTH AFRICAN ASSOCIATIONS FOR THE 



ADVANCEMENT OF SCIENCE, AND OF THE SOCIETY OF 



CHEMICAL INDUSTRY ; LATE CHIEF CHEMIST TO TUB 



TRANSVAAL DEPARTMENT OP AGRICULTURE, 



FOR.MEBLY LECTUHKR ON AGRICULTURAL 



CHEMISTRY AT THE LEEDS UNIVERSITY. 



m\tb 5llu6tratfon3 



THIRD EDITION, REVISED 



LONDON: 



CHARLES GRIFFIN AND COMPANY LTD. 



EXETER STREET, STRAND, W.0.2 



1920 



[All rights reserve.] 



