174: OPEN AIR GKAPE CULTURE. 



prepared extensive tables, giving the .distance to 

 which shadows will be thrown by trellises of various 

 heights, at different seasons of the year, and in dif- 

 ferent latitudes ; but omit them for the above rea- 

 sons. 



The only limit which we would set to the height of 

 a trellis, would be our ability to prune the vines and 

 gather the fruit, with the aid of a light stool. Lad- 

 ders are too unwieldy and involve too much labor, 

 except for a few vines. 



