g^ 'Experiments 4nd Obfervations 



and as it was evident that it had not fufFicient ftamina to fuf- 

 tain the heat of fummer, he propofed ploughing it up. I took 

 upon me to be its phyfician, and prefcribed three bufhels of 

 Gypfiimy to be taken the next morning, while the dew was on 

 the ground.. I fent him the dofe, which was faithfully admi- 

 niftered, and I had the fatisfaftion of feeing him gather more 

 flax from diis half acre, notwithftanding the uncommon drought 

 of the fummer, than any acre in this neighbourhood afforded. 

 — N. B. I borrowed this hint from Mr. William Cockburne, 

 who had experienced the beneficial effed of Gypjam on flax. 



No. 14. Oats. 

 fiygi.]] Five acres were fown the lafl fpring, on the 

 fame kind of black ground, which I have defcribed in experi- 

 ment No. 9, being part of the fame field: one was manured 

 with Gypjumy feven bufhels to the acre; one with fhells 

 pounded, but not ground,; fifteen bufliels to the acre; the reft 

 had no manure, . I could perceive no difference, the whole 

 field being equally good. 



No. 15. Wheat. .r ., 



\ I HAVE made trials on three different fields of wheat, of the 

 efficacy of this manure, but have no reafon to conclude from 

 any of them, that this grain received benefit from it. 



No. 16- .-yiix 



[April 1791.] Two acres of a ftrong loam, being'p^frbf 

 a field of v/hcat, were manured with pulverized oyfter-fhells. 



