40 



.S'o/Z analyses, district of Ponievcdra-La Carloia — Continued. 



Soil Nature 

 No. I of soil. 



10 i Surface 

 10 A i Subsoil 



11 

 llA 



12 

 12 A 



13 

 13 A 



Soil 

 No. 



3 

 3A 



4 



4A 



6 



6A 



7 



7A 



8 



8A 



9 



9A 

 10 

 10 A 

 11 



11 A 

 12 



12 A 

 13 



13 A 



Fine 

 earth. 



Surface 

 Subsoil 



Surface 

 Subsoil 



Surface 

 Subsoil 



K„0. 



Per ct. 

 95.1 

 94.2 



94.5 I 

 93.1 ' 



93.8 

 91.7 



93.0 



88.7 



Pfr ct. 



0.15 



.13 



.06 

 .Ot) 



Nature of soil. 



Na,0. 



Per ct. 



0.17 



.21 



N. 



Perct. 

 0.14 



.15 

 .12 



Vola- 

 tile 



mat- 

 ter. 



Perct. 

 9.89 

 10.00 



13.61 

 13.18 



Remarks. 



,10 111.92 



Hacienda Esperanza. Good 

 .soil, said to yield No. 2 sug- 

 ar. Subsoil red clay and 



, sand. 



Hacienda Esperanza. Poor 

 soil, producing only "cor- 

 riente" sugar. Subsoil at 

 30 to 35 centimeters is a 

 mixture of clay and yellow 

 sand; below 1 meter, slate- 

 I colored sand and gravel. 



Hacienda Najalin. Best 

 land, said to yield about 90 

 piculs (6.26 metric tons) 

 per hectare of No. 3 sugar. 

 1 Surface soil from 10 to 20 

 centimeters deep; subsoil 

 mostly yellow sand; at 30 

 to 40 centimeters, gravel. 



Hacienda Najalin, higher 

 ground on hillside. Sur- 

 face soil goes down to 

 about 25 centimeters; be- 

 low that is red clay to a 

 depth of 5 meters; "not as 

 good soil as number 12. 



Detritus 

 on 1- 

 mm. 



screen. 



>1 mm., 

 gravel. 



Surface - 

 Subsoil . 

 Surface - 

 Subsoil - 

 Surface- 

 Subsoil . 

 Surface- 

 Subsoil - 

 Surface- 

 Subsoil - 

 Surface- 

 Subsoil - 

 Surface- 

 Subsoil - 

 Surface - 

 Subsoil . 

 Surface- 

 Subsoil - 

 Surface - 

 Sub.soil - 



Mechanical analyses of samples (5 grams) of material, dis- 

 trict of Pontevedra-La Carlota, pa.ssing a 1-mlllimeter 

 screen. Samples as prepared for chemical analysis. 



1.0-0.5 

 mm., 

 coarse 

 sand. 



0.5-0.25 

 mm., 



medium 

 sand. 



3.81 

 3.50 

 7.52 

 11.46 

 3.38 

 3.68 

 2.10 

 4.60 

 1.33 

 2.50 

 2.18 

 3.00 

 2.66 

 2.48 

 2.66 

 1.10 

 3.18 

 5.78 

 1.44 

 0.78 



10.64 

 13.36 

 15. 62 

 25. 84 

 11.52 

 8.48 

 11.01 

 15.04 

 6.03 

 3.34 

 11.04 

 15.90 

 9.86 

 5.76 

 7.56 

 4.32 

 12.96 

 20. 52 

 6.48 

 5.96 



0.25-0.10 

 mm , 

 tine 

 sand. 



10.40 

 15. 92 

 14.60 

 18.08 

 12.27 

 11.96 

 14.37 

 14.54 

 9.31 

 7.90 

 17.62 

 19.30 

 9.94 

 9.40 

 9.82 

 7.20 

 19.08 

 18.46 

 9.21 

 7.68 



0.10-0.0.' 

 mm., 



very fine 

 sand. 



12. 50 

 12.32 

 13.96 

 10.32 

 14.83 

 15.02 

 13.35 



9.16 

 13.11 



y.62 

 16. 22 

 14.20 

 12.08 

 12. 72 

 10.52 



8.82 

 17.30 

 12. 54 

 11.00 



8.26 



Total. 



100. 04 



100. 32 



100. 40 



100. 36 



99.83 



99.98 



99.89 



100. 36 



99.72 



100.34 



100. 22 



100.38 



! 100.68 



100. 52 



100. 14 



100. 18 



100. 18 



99.28 



99.86 



100. 34 



