-------------+----------------+---------+---------+---------+-------- | Wheat. | | | | +-------+--------+ Bokhara | | | White | After | After | clover, | Vetches,| Lucern, | clover, Depth. |fallow,|clover, | 1882. | 1883. | 1885. | 1885. | 1883. | 1883. | | | | -------------+-------+--------+---------+---------+---------+-------- | lb. | lb. | lb. | lb. | lb. | lb. 1st 9 inches| 3.4 | 6.1 | 3.4 | 10.2 | 8.9 | 11.5 2d 9 " | 3.1 | 4.4 | 1.0 | 2.7 | 1.1 | 1.4 3d 9 " | 0.8 | 1.6 | 0.6 | 1.1 | 0.8 | 0.9 4th 9 " | 1.0 | 1.3 | 1.0 | 1.5 | 0.8 | 1.9 5th 9 " | 0.8 | 1.5 | 0.8 | 2.5 | 1.0 | 7.1 6th 9 " | 0.6 | 0.8 | 1.7 | 4.4 | 0.9 | 11.3 7th 9 " | 0.8 | 2.2 | | 4.5 | 0.6 | 13.1 8th 9 " | 0.9 | 1.7 | | 4.9 | 0.8 | 12.6 9th 9 " | 0.7 | 2.4 | | 4.8 | 0.7 | 11.2 10th 9 " | 2.0 | 2.1 | | 5.1 | 0.6 | 10.7 11th 9 " | 1.5 | 2.1 | | 6.4 | 0.4 | 11.1 12th 9 " | 3.8 | 2.8 | | 6.5 | 0.4 | 10.0 -------------+-------+--------+---------+---------+---------+-------- NOTE IV. (p. 124 and p. 131). NITROGEN AS NITRATES IN WHEAT-SOILS VARIOUSLY MANURED, OCTOBER 1881, IN LB. PER ACRE (_Rothamsted Soils_).