76 A TREATISE OF 



juices proper for their nourilhment ; for 

 want of which many plants die, and then 

 *tis thought that fuch fait manures are too 

 hot : but it may with as good reafon be 

 imagined that froft is too hot, for both are 

 deftruftive in the fame manner, i. e. by 

 cutting and lacerating the veflels* 



To fhew an acquaintance of mine the 

 effefts and advantages of fait properly ap^ 

 plied to vegetables, I made the following 

 experiment, in an extreme dry fummer, 

 upon a bare piece of pafture land, out of 

 which the cattle were all taken for want 

 of grafs. I markt four places with ftakes, 

 each of which I watered nine nights fuc- 

 ceffively in the following manner: the 

 firfl: with fpring water alone, to the quan*- 

 tity of a gallon; the fecond with the fame 

 quantity of water, adding an ounce of 

 common fait ; the third and fourth with 

 the fame quantity, mixing the water in 

 the thii'd place with two ounces of fait 5 

 and that in the fourth with three ounces, 

 which produced the following different 

 effefts. 



The grafs in the fecond place grew 



more, and of a darker green, than that in 



I the 



