No. V.
| | Flax. | Linseed. | Meadow Hay. | Red Clover. |
| Ashes in 1000 dry parts | 50 | 46 | 60 | 75 |
| Silica (sand) | 257 | 75 | 344 | 48 |
| Alumina (clay) | 37? | | | |
| Lime | 148 | 83 | 196 | 371 |
| Magnesia | 44 | 146 | 78 | 46 |
| Peroxide of Iron | 36? | 9 | 7 | 2 |
| Potash | 117 | 240 | 236 | 267 |
| Soda | 118 | 45 | 19 | 71 |
| Chlorine | 29 | 2 | 28 | 48 |
| Sulphuric Acid | 32 | 23 | 29 | 60 |
| Phosphoric Acid | 130 | 365 | 58 | 88 |
No. VI.
Amount of Inorganic Matter removed from the soil by ten bushels of grains, etc., and by the straw, etc., required in their production—estimated in pounds:
| | Wheat. | 1200 lbs. Wheat Straw. | Rye. | 1620 lbs. Rye Straw. |
| Potash | 2.86 | 8.97 | 2.51 | 11.34 |
| Soda | 1.04 | .12 | 1.33 | .20 |
| Lime | .34 | 4.84 | .56 | 5.91 |
| Magnesia | 1.46 | 2.76 | 1.18 | 1.58 |
| Oxide of Iron | .08 | .94 | .15 | .88 |
| Sulphuric Acid | .03 | 4.20 | .11 | .05 |
| Phosphoric Acid | 6.01 | 2.22 | 5.64 | 2.49 |
| Chlorine | | .79 | | .30 |
| Silica | .14 | 47.16 | .05 | 42.25 |
| Pounds carried off | 12 | 72 | 11½ | 66 |
No. VII.
| | Corn. | 1620 lbs. Corn Stalks. | Oats. | 700 lbs. Oat Straw. |
| Potash | 2.78 | 6.84 | 1.69 | 12.08 |
| Soda | | 19.83 | | |
| Lime | .12 | 6.02 | .39 | 3.39 |
| Magnesia | 1.52 | 4.74 | .64 | 1.59 |
| Oxide of Iron | | .57 | .02 | .78 |
| Sulphuric Acid | | .36 | .66 | 1.41 |
| Phosphoric Acid | 4.52 | 12.15 | 2.80 | 1.07 |
| Chlorine | | 1.33 | .02 | 1.36 |
| Silica | .06 | 19.16 | .18 | 20.32 |
| Pounds carried off | 9 | 71 | 6½ | 42 |
No. VIII.