
VI. Preparation of ground.
Fallow.
Young’s experiments show that ploughing in fall gives from one to three bushels per acre produce more than ploughing in the spring. 4. Exp. agr. 206–211
| they shew that | 2. ploughings produce | ¼ more than 1. |
in barley which is a spring grain |
| 3. | ⅕ more than 2. | ||
| 5. | ⅓ more than 4. | ||
| 6. | no more than 5. | 4. Exp. agr. 213. 216. |
he found ploughing deeper than 5.I. of no utility to wheat or barley the first year, but supposes it would become useful in 2. or 3. years. trench ploughing 10. or 12.I. deep produced immediate benefit to turneps & carrots, but not deeper. 4. exp. agr. 223.