1 81 Oaber Authorities.

At Ryehope, near Sunderland,

1. Break up for oats

2. Potatoes

3. Wheat, or mazelin

— 4. Turnip;

F. Barley

6. Potatoes

7. Wheat

8 Then graſs for five or ſix years.(¹ Mr. Mayo, of Battel, 1. Potatoes 2. Wheat for ſixteen ycars.(u)

Dr. Wilkinſon, of Enfield, plants them on clover lays, and gets 400

buſhels(). Alſo four years in fucceſſion on the ſame land; manured every

year; crops all great.(20) In Fifeſhire, turnips following potatoes, found highly to ameliorate.(*) In Roſsfhire, waſte land planted witch them, then peaſe, then barley, and graſſes; and all good.(y)

0B8ERVATION.

The courſes of crops in which potatoes may be introduced, are ſo various, that it can ſcarcely be expected that any thing very definitive fhould be found in the experiments regiſtered. They offer little more than hints that deſerve to be purſued.

(†) Annals, p. 362.(u) Ibid. vol. 1s. p. 248.() Vol. 20, p. 458.(¹) p. 459. (*) Wight, vol. z. p. 260. 0) Ibid. vol. 4. part 1. P. 277. 1

*