II. SERIES. NITROGEN. 
Nitrogen 
per tan: 0 5 7.5 10 12.5 15 17.5 
kilogrms. kilogrms. kilogrms. kilogrms. kilogrms. kilogrms. 
General Manure per ton : 25 kilogrms. phosphoric acid and 20 kilogrms. potash. 
