326 SOILS AND SOIL PROCESSES. 20. 



upon them has never farther to run than the 

 width of the land it falls on ; (even fuppo- 

 ling it to fall on the upper edge) for fo foon 

 as it is caught by an interfurrow, the vege- 

 table pailure is in efFedt relieved from it. 



Hence, the narrower the lands, provided 

 the interfurrows be fufficiently deep, the 

 more immediate the efFeift. 



The only inconveniency of laying lands 

 acrofs the Hope is that of having the pUts on 

 the lower fides of the lands to turn againji the 

 hill; an operation which requires a good 

 workman to do it properly. 



Buc dicrc is an advantage in this mrrhod 

 wliichir.ore th?.n overbalances that inconveni- 

 ency. The PJLL is always upon, or n^.arly 

 upon, LEVEL GKOHND ; whcfcas, in the com- 

 mon direction of the lands, the uphill pull is 

 intolerable to the beafts of draught, efpe- 

 cially to horfes ; which, through fear or im- 

 patience, draw by jerks, eager to reach the 

 lop of the hill ; thereby fariguino; themfelves 

 and the plowman unneceflarily, and render- 

 ing the work defed:ive. 



The 2:ood cffe6l of lavino: lands acrofs 

 flopcs, is not only plaufible in theory, but is 



verified 



