Seel. I. Agriculture and Vegetation. 1 1 3 



has fixteen ears, many of which carry 

 twenty-four grains, and thofe larger than 

 any of the reft. It has one double ear, 

 which has forty grains. Many of the ears 

 in the garden foil have thirty-two grains. 



LET us now draw fome corollaries from 

 this experiment. 



Cor. i. Sea-falt added in fmall quantities, 

 and by gentle degrees, to a poor foil, feems 

 again to be rather hurtful than beneficial 

 to it. What efFeft it would have on a foil 

 full of oleaginous particles, appears not from 

 this experiment, 



Cor. 2. Saltpetre managed the fame way, 

 promotes vegetation confiderably, and ap- 

 pears to have made the foil capable of pro- 

 ducing a fourth more. 



Cor. 3 . Epfbm fait applied the fame way, 

 is pretty nearly equal in its nutritive power 

 to faltpetre. The foregoing experiment 



I taught 



