resh mixed manure in a heap Nov. 3,
1854, and the next spring, April 30, it weighed 2,026 lbs., a shrinkage
in weight of 28.6 per cent. In other words 100 tons of such manure would
be reduced to less than 71-1/2 tons.

The heap was weighed again, August 23d, and contained 1,994 lbs. It was
again weighed Nov. 15, and contained 1,974 lbs.

The following table shows the composition of the heap when first put up,
and also at the three subsequent periods:

Table Showing Composition of the Whole Heap; Fresh Farm-Yard Manure
(No. I.) Exposed--Expressed in Lbs.

----------------------------+---------+---------+---------+---------
|When put |April 30,|Aug. 23, |Nov. 15,
|up, Nov. |1855. |1855. |1855.
|3, 1854. | | |
----------------------------+---------+---------+---------+---------
Weight of manure in lbs. | 2,838 | 2,026 | 1,994 | 1,974
Amt. of water in the manure | 1,877.9 | 1,336.1 | 1,505.3 | 1,466.5
Amt. of dry matter in the | | | |
manure | 960.1 | 689.9 | 488.7 | 507.5
Consisting of-- | | | |
Soluble organic matter { | 70.38| 86.51| 58.83| 54.04
Soluble mineral matter { | 43.71| 57.88| 39.16| 36.89
Insoluble organic matter { | 731.07| 389.74| 243.22| 214.92
Insoluble mineral matter { | 114.92| 155.77| 147.49| 201.65
| --------| --------| --------| --------
| 960.1 | 689.9 | 488.7 | 507.5
| | | |
Containing nitrogen | 4.22| 6.07| 3.76| 3.65
Equal to ammonia | 5.12| 7.37| 4.56| 4.36
Containing nitrogen | 14.01| 12.07| 9.38| 9.38
Equal to ammonia | 17.02| 14.65| 11.40| 11.39
| --------| --------| --------| --------
Total amount of nitrogen in | | | |
manure | 18.23| 18.14| 13.14| 13.03
Equal to ammonia | 22.14| 22.02| 15.96| 15.75
| | | |
The manure contains ammonia | | | |
in free state | .96| .15|