26 T&? Principles of Part. I, 



fummer, which being very dry makes the 

 experiment more conclufive. 



Exp. 8. N i. was covered and incorpo- 

 rated with two inches deep of clay. N 2. 

 with three inches. N 3. with four inches. 

 N 4. had two inches of clay with the 

 common quantity of lime laid on ground. 

 N 5. had three inches of clay with the 

 fame quantity of lime. N 6. had four 

 inches of clay with the fame quantity of 

 lime. N 7. had two inches of clay with 

 the ufual quantity of dung. N 8. had 

 three inches of clay with the fame quantity 

 of dung. N 9. had four inches of clay 

 with the fame quantity of dung. N I o. 

 had fix inches of clay. N. 1 1 . had the 

 fame with lime. N 3 12. had the fame 

 with dung. N 13. was the light poor 

 fandy foil without any addition. N 14. 

 had the ufual quantity of lime added to 

 the foil. N 15. had the ufual quantity of 

 dung added to the foil. 



July 2. 



