34 
HAGI AS A FORAGE CROP. 
In too parts of ash, free from coal and carbonic acid : 
ist cutting. 
2nd cutting. 
3rd cutting 
Potash . 
.. .29.00 
30.61 
i8 -47 
Soda . 
...12.81 
1.14 
3 - 9 ° 
Lime . 
...22.58 
34-33 
40.99 
Magnesia . 
... 4.40 
4.62 
4.71 
Ferric oxide . 
3-34 
I -74 
2.10 
Phosphoric acid 
,..12.47 
10.45 
8-55 
Sulphuric . 
... 3.98 
2.46 
2.46 
Silica . 
... 9.36 
13.61 
16.09 
Chlorine . 
... 0.58 
1.16 
o -54 
The amount of important mineral nutrients withdrawn from 
the soil in the hagi crop of 1889 is accordingly as follows, kilo¬ 
grams per tan : 
Total 
Ash. 
Potash. 
Phos¬ 
phoric 
acid. 
Lime. 
Mag¬ 
nesia. 
ist cutting. 
IO.9 
3.16 
1.36 
2.46 
0.48 
2nd ,, . 
11.7 
3 - 5 8 
1.22 
4.02 
o -54 
3M . 
8.1 
1.50 
o.6g 
3-32 
0.38 
Total . 
30-7 
8.24 
3.27 
9.80 
I.4O 
In medium crops of lucerne (800 kilogrms.) and red clover 
(600 kilogrms.) there are contained, kilogrms. per tan : 
Total 
ash. 
Potash. Phosphoric 
acid. 
Lime. 
Magnesia. 
Lucerne 
...49.6 
II.58 
4.24 
20.16 
2.48 • 
Clover. 
■ ••• 34 - 6 
II. 16 
3 - 3 6 
12.06 
3 - 7 8 
Hagi extracts, therefore, rather less from the soil than either 
lucerne or clover, and as its roots grow to a greater depth and 
thus avail themselves of a larger volume of soil than those of 
the two latter crops, we may anticipate that a field will yield, 
like lucerne in some cases, a satisfactory quantity of fodder for 
a long succession of years. 
