Laserfiche WebLink
SUBIRRIGATION STUDIES - Continued <br /> Pit No. 3 <br /> Al - 0 to 6 inches; brown (10 YR 4/3) loam, dark brown (10 YR 3/3) moist; medium <br /> subangular blocky structure; slightly hard, very friable; neutral; clear smooth <br /> boundary. <br /> A2 - 6 to 36 inches; gray (10 YR 5/1) loam, very dark gray (10 YR 3/1) moist; weak <br /> subangular blocky structure; slightly hard, very friable; neutral; clear smooth <br /> boundary. <br /> A3 - 36 to 56 inches; gray (10 YR 5/1) loam, vary dark gray (10 YR 3/1) moist; <br /> massive; slightly hard, very friable; neutral; gradual smooth boundary. <br /> C - 56 yo 72 inches; dark yellowish brown (10 YR 4/6) gravelly loam, dark yellowish <br /> brown (10 YR 4/4) moist; massive; loose, very friable; strongly calcareous. <br /> Notes: Rooting concentration in top 30 inches. No evidence of reducing zone. <br /> Pit No. 4 <br /> Al - 0 to 12 inches; yellowish brown (10 YR 5/4) loam, dark grayish brown (10 YR 4/2) <br /> moist; medium granular structure; slightly hard, very friable; neutral; clear <br /> smooth boundary. <br /> A2 - 12 to 30 inches; yellowish brown (10 YR 5/4) loam, dark yellowish brown (10 YR <br /> 4/6) moist; massive; slightly hard, very friable, neutral. <br /> Cca - 30 to 72 inches: brown (10 YR 4/3) loam, dark grayish brown (10 YR 4/3) moist; <br /> massive; slightly hard, very friable; moderately alkaline. <br /> Notes: Some iron staining below 72 inches; moist soil. Strong effervescence at 30 to 72 <br /> inches. <br /> i o-is a S" '�r <br />