upon Oats, Barlei/, and Wlieat. 2/3 
FINAL RESULTS PER IMPERIAL ACRE. 
Manure. 
Quantity. 
Gross Produce. 
Cost of 
the 
Increase of 
Grain. 
Straw. 
Manure. 
Grain. 
Straw. 
Bushels. 
St. lbs. 
£ s. d 
Bushels. 
St. lbs. 
1 
Nothing . , 
30-75 
167 10 
2 
Rape-dust 
12 bushels 
36-23 
181 0 
1 *7 9 
5- 48 
16 4 
3 
Guano . 
2 cwts. 
40-29 
224 4 
1 6 0 
15-54 
56 8 
4 
( Rape-dust and 
\ Salt . . 
12 bushels 1 
12 stone / 
45-23 
210 12 
1 12 3 
14-48 
43 2 
5 
- Nitrate of Soda 
li cwt. 
44-87 
208 8 
1 11 6 
14 12 
40 12 
6 
/Nit. of Soda . 
I Sul. of Soda . 
1 cwt. 1 
1 cwt. ) 
42-30 
19S 8 
1 10 6 
11-55 
50 12 
7 
Salt . . . 
4 cwt. 
39-74 
173 6 
0 12 0 
8-99 
5 10 
Observe here that the weight of straw upon No. 1 is greater 
than it would have been had there been no clover seeds sown, as 
the light crop of barley encouraged the growth of the clover, 
while the heavier bulk of straw upon the other plots retarded its 
growth. Hence the straw of No. 1 weighed well, and the gain 
of straw on the other patches appears less than it really was. 
Again, the same circumstance affected the number of sheaves on 
No. 1 ; the quantity of clover making it necessary to bind small 
sheaves. 
Conclusions. — In this case we see — 
1. That guano is superior to rape-dust. 
2. That saline applications may be used with success upon soil 
requiring manure. 
3. That nitrate of soda increases the crop of straw and grain, 
and that sul. soda mixed with nitrate does not improve the crop 
so much as nitrate alone ; hence we infer that nitrate of soda 
has a positive effect, and sulphate a negative one, upon the barley 
crop. 
4. That salt increases the grain more than the straw. 
5. That salt, as a top dressing auxiliary to rape-dust, is ex- 
tremely valuable ; improving the produce in quantity and quality. 
{Vide gain per acre, and weight per bushel, of No. 4.) 
6. That salt alone, or mixed with another substance, has the 
same visible effects — acting at the latter period of the plant's 
growth, and blanching the straw and stubble. 
7. That guano and nitrate of soda diminish the weight per 
bushel of the grain produced. 
L. — Experiment on the comj)arative effects on the Barley crop, 
of Rape-dust, Rape-dust and Salt, and Guano. 
Details. — Soil — moderate limestoae, uorth 24^, per acre per 
VOL. V. T 
