124 
Some Experiments on the 
The foregoing figures, calculated to the yield per acre, give 
the following results ; — 
Plot. 
Manure per Acre. 
Boots per Acre. 
Leaves. 
First Sebees — No Dcxg. 
1} 
I) 
1} 
5 cwts. Superphospliatc 
65 cwts. Ground Coprolites .. 
tons. cwts. qrs. lbs. 
/I 2 0 14. 
\ I 10 i D 
tons. cwts. qrs. lbs. 
0 16 3 26 
A 10 0 1 Q 
u ly i Its 
1 8 2 24 
0 18 1 8 
/ 5 S 0 0 
\ 4 19 0 0 
2 1 3 16 
2 10 2 14 
5 3 2 0 
2 6 12 
/ 5 0 0 20 
\ 5 0 2 0 
1 16 0 12 
2 4 2 26 
5 0 1 10 
2 0 1 19 
Secoxd Series — 10 tons Dcxg per Acre. 
7 ) 
10/ 
I?} 
5 cwts. Superphosphate 
6J cwts. Ground Coprolites . . 
/ 9 12 3 0 
\ 6 6 3 0 
3 11 3 10 
2 6 0 26 
7 19 3 0 
2 19 0 S 
/ 8 11 0 0 
\ 6 16 2 0 
3 0 0 18 
2 13 1 24 
7 13 3 0 
2 IG 3 7 
/ 6 16 2 0 
\ 7 15 3 4 
2 2 1 20 
2 17 1 20 
7 G 2 16 
2 9 3 20 
Deducting from the manured plots the yield of the totally 
unmanured plots, \vc have the following average increase 
attributable to the manures employed : — 
Increase of Boots per acre due to Manures over and above Yield of 
Unmanured Land. 
Manore per acre. Tons. cwts. qrs. lbs. 
10 tons dung 6 11 0 4 
10 tons dtmg and 5 cwts. superphosphate .. G 5 0 4 
10 tons dung and 6i cwts. ground coprolites .. 5 17 3 20 
.5 cwts. superphosphate only 3 143 4 
CJ cwts. ground coprolites only 3 11 2 14 
