r 57 ] 



lows, that from the different proportions in which 

 they are mixed, refult fo many different capacities 

 for retaining water. Hence too the inferior as well 

 as fnperior ftrata of the foil ought to be examined, 

 as well as the mean flate of the weather with re- 

 fpedl to drought or moiflure, and opportunities of 

 watering, &c. For the bell foil will prove fterile 

 without a due proportion of moifture. 



To render land capable of producing a fmall crop 

 of grain, requires no great fkill; but to caufe it to 

 yield the greateft poffible crop, demands no com- 

 mon management. Is it not difgraceful to behold 

 the execrable hufbandry which prevails in fome 

 parts of this opulent county, where it is no unufual 

 thing to fee corn and weeds ftruggling together 

 for the fuperiority, till the latter, gaining the afcen- 

 dancy, ftifle the meagre crop, and fpread triumph- 

 antly over all the neighbouring grounds ! 



To chemiflry it appertains to fuggeft fuitable 

 means for preferving grain from fmut, blights, or 

 mildew; alfo for deftroying, or driving away in- 

 fedls, reptiles, and other noxious vermin, which are 

 wont to prey on fruits, feeds, or vegetables. 



When the produ(5ls of agriculture are at length 

 obtained, the aid of chemiflry is flill effcntially 



ncccffary 



