Soils aivd Fertilizers for Pecans 79 



rial. The soils of this series include sands, loamy sands, 

 gravel, gravelly sands, coarse sands, fine sands, very fine 

 sands, sandy loam, fine sandy loams, silt loams, and clay 

 loams. 



The Orangeburg series are marked by their gray to reddish- 

 brown color and open structure. The subsoil consists of a 

 red friable sandy clay. They are confined to the uplands of 

 the Atlantic and Gulf Coastal plains. The soils include sands, 

 coarse sands, fine sands, sandy loams, gravelly sandy loams, 

 and fine sandy loams. 



The Tifton soils are gray to grayish-brown in color and 

 are underlain by bright yellow friable sandy clay subsoils. 

 Small iron concretions occur on the surface and throughout 

 the soil section. They are always well-drained. The soil 

 occurs as sands, sandy loams, and coarse sandy loams. 



The Greenville soil series are reddish-brown to dark red, 

 having a subsoil of deep red sandy clay. They are closely 

 associated with members of the Orangeburg series. These 

 soils are more retentive of moisture than the corresponding 

 members of the Orangeburg series. These series occur as 

 coarse sands, loamy sands, fine sands, sandy loams, gravelly 

 sandy loams, coarse sandy loams, fine sandy loams, loamy 

 gravelly loams, clay loams, and clay. 



The loams, sandy loams, and clay loams of the soil types 

 described above are well suited to pecans. Most of the best 

 orchards are on the Orangeburg loams and sandy loams. 



The ideal soils of these types are the loams and sandy loams 

 having a mellow surface soil underlain at a depth of eight to 

 ten inches by a friable loamy or sandy clay, sufficiently heavy 

 to retain the nutrient constituents and not too stiff to resist 

 or retard the development of young roots. The surface soil 



