That the system (if it deserves the appellation of one) of Corn, Wheat, hay; has been injurious, and if continued would prove ruinous to our lands, I believe no one who has attended to the ravages which have been produced by it in our fields, is at a loss to decide. But with deference let me ask if the substitute you propose is the best that can be devised? Wheat follows Corn: here are not only two corn crops, but those of the most exhausting nature following each other without the intervention of a restorative; when, by the approved courses now practiced in England, Grain and (what are called) fallow Crops, succeed each other alternately. Though I am not strongly attached to a particular course (being open to conviction) yet, that which has obtained most in my mind, and which I have been endeavouring (for it is not easy to go fully into any system which produces a material change, at once) to carry into execution, is the following; which for the better understanding of it, shall have dates to the growth of the respective Crops. By the usual mode (it is scarcely necessary to observe) we have three fields -- viz -- one in Corn, one in wheat, and one in hay. By my plan these three fields are divided into Six. In 1788 for instance, one of them (say No. 1) is planted with Corn 8 feet by 2, single stalks; with Irish Potatoes or Carrots, or partly both between. That Corn planted in this manner will yield as much to the Acre as in any other. That the quantity of Potatoes will at least quadruple the quantity of Corn, and that the Potatoes do not exhaust the Soil, are facts well established in my mind. In April 1789 it is sown with Buck wheat for manure, which is plowed in before Harvest when the Seed begins to ripen and there is a sufficiency of it to seed the ground a second time. In July it is again plowed; which gives two dressings to the land at the expence of a bushl. of B. Wheat and the plowings which would otherwise be essential for a summer fallow. In August, after the putrefaction and fermentation is over, wheat is sown, and in 1790 harvested. In 1791 the best, and earliest kind of Indian Pease are sown broadcast, to be mowed when generally ripe. Since the adoptn. of this course, and progress that has been made to carry it into effect, I have had too much cause to be convinced, that Pease harvested in this manr. is a considerable exhaustion of the Soil. I have some thoughts therefore of substituting a medley, of Pease, Buck Wheat for seed, Turnips, Pompions &ca. in such parts of the field as best suit them, they will be useful, and serve as preparatives. In 1792 Spring Barley or Oats, or equal quantities of each, will be sown with red clover; the latter to be fed with light Stock the first year after harvest. In 1793, the field remains in Clover for Hay, or grazing according to circumstances, and in 1794 comes into Corn again, and goes on as before.

    It may be remarked here, as an objection to this System; that Wheat, in the best farming Counties in England follows the Clover hay. Is sown on a single ploughing, and has been found profitable from practice. My reasons for departing from that mode are: 1. our ploughing is not equal to theirs, of course the clover is not so welt buried, nor the ensuing crop (of Wheat) so free from grass as theirs. and 2. If we sow Wheat at an early and proper period, we loose a valuable part of the clover crop. Whereas the ground for Corn need not be broken till the season for grazing is over, and the Beasts in their Stalls. By the tillage too which the Corn Crop ought to receive, followed by Buck Wheat twice ploughed in, Weeds and grass, one would think, must be entirely subdued.

    To contrast the probable yield of this system with the old course of Corn, Wheat and hay, suppose a farm of 300 acres of arable Land.