inches deep; and besides, the German experiment includes
the 'stubble' with the roots."

The Deacon is right; and it will be well to give the complete table, as
published in the _American Agriculturist_:

Table Showing the Amount of Roots and Stubble Left Per Acre by
Different Crops, and the Amount of Ingredients Which They Contain
Per Acre.

-------------------------+---------------+------------+---------------
|No. of lbs. of | |
|stubble & roots| | No. of lbs.
|(dry) per acre |No. of lbs. | of ash, free
|to a depth of |of Nitrogen | from carbonic
|10-1/4 inches. | per acre. |acid, per acre.
-------------------------+---------------+------------+---------------
Lucern (4 years old) | 9,678.1 | 136.4 | 1,201.6
Red-Clover (1 year old,) | 8,921.6 | 191.6 | 1,919.9
Esparsette (3 years old) | 5,930.9 | 123.2 | 1,023.4
Rye | 5,264.6 | 65.3 | 1,747.8
Swedish Clover | 5,004.3 | 102.3 | 974.6
Rape | 4,477. | 56.5 | 622.3
Oats | 3,331.9 | 26.6 | 1,444.7
Lupine | 3,520.9 | 62.2 | 550.
Wheat | 3,476. | 23.5 | 1,089.8
Peas | 3,222.5 | 55.6 | 670.7
Serradella | 3,120.1 | 64.8 | 545.6
Buckwheat | 2,195.6 | 47.9 | 465.5
Barley | 1,991.4 | 22.8 | 391.1
-------------------------+---------------+------------+---------------

Contents of the Ashes, in Pounds, Per Acre.

---------------+-------+---------+-------+-------+---------+----------
| Lime. |Magnesia.|Potash.| Soda. |Sulphuric|Phosphoric
| | | | | Acid. | Acid.
---------------+-------+---------+-------+-------+---------+----------
Lucern | 197.7 | 24.2 | 36.7 | 26.4 | 18.7 | 38.5
Red-Clover | 262.9 | 48.4 | 58.3 | 20.0 | 26.1 | 74.8
Esparsette | 132.8 | 28.7 | 42.6 | 13.8 | 20.6 | 29.7
Rye | 73.2 | 14.3 | 31.2 | 43.3 | 11.8 | 24.4
Swedish Clover | 136.1 | 17.6 | 25