Your favor on the use of Salt as a Manure, & on an extraordinary Sort of Apple, was read to the Board of Agriculture at its last Meeting.1 The Communication was deemed very valuable, particularly the experiments on Salt, which seems in various Cases to have had a decided effect. Should any farther information on this, or similar Topics occur to you, we shall be very happy if you would, at your Leisure, communicate it. We have received various letters tending to the same purport from the Vicinity of our Salt Works, & calling for a Repeal, or new arrangement, of the Duties on refuse Salt.— With great Regard, I remain, Sir, Your faithful & obedient Servant