The water is there in abundance, the land is well adapted for irrigation, but as there is a considerable rainfall, it is doubtful whether the scheme would prove remunerative, and a large section of the landowners have hitherto opposed it, as likely to waterlog the country.
Those rendered by landowners seem to have been known as feorm or fostor, and consisted of a fixed quantity of articles paid in kind.
The services required of landowners were very manifold in character.
We need scarcely doubt also that the labour of repairing fortifications and bridges, though it is charged against the landowners, was in reality delegated by them to their dependents.
Moreover, after the knight's liability to personal service in war had been modified in the 12th century by the scutage system, it became necessary in the first quarter of the r3th to compel landowners to take up the knighthood which in theory they should have coveted as an honour - a compulsion which was soon systematically enforced (Distraint of Knighthood, 1278), and became a recognized source of royal income.