126 TIMEHRI. 
The results with nitrogenous manures may be sum- 
marised as follows :— 
LIMED. Not LimMgp. 
Tons Tons Tons Tons 
of of of of 
canes increase canes increase 
per due to per dueto 
acre. Nitrogen. acre. Nitrogen. 
Not manured sie 1 2019 21 
Mixed minerals... +229°9 22°5 
Sulphate of ammonia 200 lbs. and 
mixed minerals ... ah 23033°S 39 27°8 5°3 
Sulphate of ammonia 300 lbs. and 
mixed minerals ... wae 45239°05." 4705 30°65 815 
Sulphate of ammonia 400 Ibs. and 
mixed minerals ss eae Prricloy | 6°5 313 82 
Nitrate of soda 250 lbs, and mixed 
minerals... coe “ap ans" 4'1 27°45 4.05 
Nitrate of soda 375 lbs. and mixed 
minerals ... ans Ses rs eS pala -eP 29°! 6°6 
Nitrate of soda 500 lbs. and mixed 
minerals ... a eat PRL fre 294 69 
Experiments using 40 lbs. of nitrogen per acre derived 
from two sources :— 
Not manured ae ara 21'°6 
Mixed minerals... «e299 226 
Sulphate ammonia % ase }s225 2°36 2815  s*6s 
Nitrates $ ... at Ae 
Dried Blood 2 
Nitrates } 
In addition to these there were other experiments 
in which 40 lbs. of nitrogen in the forms either of 
sulphate of ammonia or of nitrate of soda were applied in 
some cases without mineral manures, in others to land 
which had been manured with farmyard manure when 
the canes were planted. As the result of all the experi- 
ments using 40 lbs, of nitrogen in the form of either 
f2or05 loss, 27°45 4°95 
ae 
