32 



CRANBEREY CULTURE. 



expensive amount of drainage. The soil of gum-swamps 

 seems to favor the production of more grass than any 

 other swamp lands that we have prepared for the vines. 



"It is, however, a good sign to find gum-trees in abund- 

 ance, growing at the heads of streams, and all their small 

 tributaries, as it promises an abundance of spring water 

 that may be needed further down the valley." 



For the purposes of cranberry culture, it is always es- 

 sential that swamps be surrounded by sand — coarse sand, 



Fig. 6. — SECTION OF SWAMP. 



if possible, it being less liable to pack than that which is 

 finer. The section, fig. 6, shows a swamp favorably situ- 

 ated. 



Savaxnas, or ground l}'iiTg between swamps and 

 upland, are ofttimes turned to good account, but tliey 

 contain a diversity of soils, which renders their selection 

 a matter of care. 



For instance, we not unfrequently find in them heath 

 ponds containing muck, ridges of black sand, and knolls 

 of white sand. A Savannj. is represented in section in 

 figure 7. 



