12 TEXAS AGRICULTURAL EXPERIMENT STATION. 



behaves poorly when dry; grain chiefly grown; 15 bushels corn and 25 

 bushels oats per acre; no fertilizer used; does not crack, pack or run 

 together; dirt does not wash onto it; does not wash; has not been cul- 

 tivated much; no manure used. 



3344 Subsoil to 3343, 7-14" ; black clay. 



3631 Lufkin fine sandy loam, 0-6 " ; moderate upland; 1J miles 

 southwest of Giddings; produces 1200 pounds seed cotton, 45 bushels 

 corn ; well drained ; moist in dry seasons ; does not wash ; crumbles ; 

 commercial fertilizer and manure tripled the yield; mellow in wet sea- 

 sons ; does not crack on drying ; cultivated 25 years ; 8 tons manure 

 applied per acre. 



3632 Subsoil to 3631, 6-12". 



Composition of Soils. The chemical composition of the soils is given 

 in Table No. 2 following; 



