the furrows which otherwise may not be properly gone over.
When a large field is to be rolled, a number of rollers ought at once to be set at work, otherwise an opportunity may be lost never to be regained. Code of Agriculture.
roofs of houses.
A material for roofing, cheap and durable is formed by dipping sheets of paper, (such as button makers use) in boiling tar, and nailing them on boards or laths exactly in the same manner as slates. Afterwards the whole is to be painted with a mixture of pitch and powdered coal, chalk or brick dust. This forms a texture which completely resists every description of weather for an unknown length of time.
rotation of crops.
MR. DEANE recommends the following course of crops. On light warm soils the first year, Indian corn well manured, pease or potatoes. The second year, rye, barley or buck wheat. The third and fourth years clover. The fifth year wheat. The sixth and seventh clover. On cold and stiff soils, first year oats or potatoes. Second year potatoes well manured. Third year flax or wheat. Fourth year grass, and so on till it needs to be broken up again.
The following has been recommended by an able writer in the Albany Argus.
Medium course in sandy soils; 1st year, potatoes dunged; 2d, rye, with turnips after harvest consumed on the field; 3d, oats and clover, or barley and clover;
