-----| 1. Light Missouri}|49 |54.9|20.97 |2.17 |11.73| 5.9 | -- | -- | leaf and stalk}| | |white | | | | | | | | | | | | | | | 2. Light Missouri}|50 |47.7|19.7 |1.77 |12.83| 5.1 |0.75 |1.50 | leaf only }| | |white | | | | | | | | | | | | | | | 3. Dark Missouri }|50 |52.4|16.47 |4.2 |10.14| 2.13| -- | -- | leaf and stalk}| | |white | | | | | | | | | | | | | | | 4. Dark Missouri} |51 |50.6|13.8 |2.17 | 8.73| 2.9 |0.35 |0.71 | leaf only } | | |white | | | | | | | | | | | | | | | 5. Light Virginia}|51.5|53.1|16.4 |2.53 | 8.54| 5.33| -- | -- | leaf and stalk}| | |gray- | | | | | | | | |white | | | | | | | | | | | | | | | 6. Light Virginia}|54 |46.1|11.97 |2.0 | 6.86| 3.11|1.045|2.09 | leaf only }| | |green-| | | | | | | | |gray | | | | | | | | | | | | | | | 7. Dark Virginia }|48.5|51.8|14.7 |4.8 |8.40 | 1.5 | -- | -- | leaf and stalk}| | |gray | | | | | | | | | | | | | | | 8. Dark Virginia} |52 |49.8|12.53 |2.63 |8.20 | 1.7 |1.46 |2.93 | leaf only } | | |gray | | | | | | ------------------------------------------------------------
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1. The samples were dried and the woody fibre and extract were also dried at 212 degs. The watery infusions of all contained ammoniacal salts. The salts from the ash, which were soluble in water, consisted of sulphates, carbonates, phosphates, and chlorides; the bases being potassa and lime. The solution by hydrochloric acid contained lime, alumina, phosphate of lime, and oxide of iron.
3. Contained oxide of
manganese in small quantity; sulphates in
watery solution of ash abundant.
Hydrochloric solution contained an
abundance of lime.
4. A trace of manganese;
a trace only of phosphoric acid in watery
solution.
5. Contained abundance of oxide of manganese.
6. Abundance of oxide of manganese.
7. A mere trace of oxide
of manganese, and a trace of oxide of iron;
only a trace of alumina.
8. A trace of oxide of
manganese; quantity of oxide of iron very
great; only a trace of alumina.
In rich loams, where the solution of the minerals of the soil is rapid, and where 10 to 20 per cent, of vegetable matter is incorporated in the earth, tobacco may be obtained for many years, but it is always an exhausting crop. It has been stated that 170 Lbs. of mineral matter are removed in less than three months from one acre of land, by a crop of tobacco. This is very much more than wheat or other grains abstract from the soil in eight or nine months.


