The Bulletin 



31 



AVERAGE CHEMICAL ANALYSIS OF MECKLENBURG LOAM. 



AVERAGE MECHANICAL ANALYSIS. 



Surface soil. 

 Subsoil 



Fine 

 gravel, 

 per cent 



2.3 

 .2 



Coarse 



sand, 



per cent 



6.9 

 1.8 



Medium 



sand, 

 per cent 



7.5 

 3.9 



Fine 



sand, 



per cent 



25.2 

 13.3 



Very fine 



sand, 

 per cent 



Silt, 

 per cent 



21.7 

 9.5 



19.0 

 20.3 



Clay, 

 per cent 



17.3 

 51.1 



CONOWINGO SERIES. 



The soils of this series are derived from serpentine or talcose schists 

 or steatite. These soils usually have a greasy feel, and are locally 

 known as soapstone lands. The topography is rolling to hilly, and the 

 soils have to be carefully handled to prevent serious erosion. This 

 series will have a small development in the State. Only one member, 

 the Conowingo clay, has thus far been mapped, and that type lies in the 

 Hickory area. 



CONOWINGO CLAY. 



The surface soil of the Conowingo clay is a grayish-yellow loam, 

 having a depth of about 8 inches. The subsoil is a reddish clay loam, 

 which grades into a rotten rock, locally called soapstone at about 2 to 5 

 feet. Gravel and fragments of rock are seen on the surface, and scat- 

 tered throughout the soil and subsoil. Corn, wheat, and oats are the 

 principal crops grown. Deep plowing and the incorporation of vege- 

 table matter improves the soil. The possibility of using this soil for 

 grapes is demonstrated at Valdese, near Morganton. 



