322 



cox. 



position, as determined in the moist state." " That this deduction is . in error 

 is shown by the data of Table XIV. 



Table XR^.a — E-jfect of oven drying on the mechanical compositioji of soil. 

 [Xumbers give percentages.] 



» All clay percentages -were obtained by direct determination. 



•> Moisture separately determined. 



= Duplicate. 



•* This soil is more than 1 meter deep and evidently contains soluble constituents. 



e Previous coffee. 



' Same location as No. 8. 

 s Same location as No. 10. 

 meters o{ subsoil. 



" Subsoil of No. 10. 

 ' Same location as No. 14. 

 J Same location as No. 14. 

 ' Subsoil of No. 14. 



Consists of about 5 centimeters of surface and 10 centi- 



True subsoil excluded from this sample. 





Soil. 





Dried at 110°. 



N-- color. 



Depth 

 in cm. 



Crop usually 

 grown. 



i Very 

 „-,•„ Sand, fine 

 ^"^•f- 1.0 to sand, 

 ,i"^, 0.1 0.1 to 



mm. 



q;,^ 1 Fine ! 



°"*g silt, 'clay, 



toOOlOOl t<'<0«K 



'mm"' ^0^^ '"n"- 

 mm. 



1 



Total 

 includ- 

 ing ! 

 mois- 1 

 ture. i 



1 i Light brown 



0-15 



Rice, com 



9. 36 16. 17 , 19. 20 j 19. 18 , 27. 79 | 9. 67 



101.37 





loam. 







1 









■=1 











8.19 14.83 j 13.99 



23.35 1 30.21 



9.57 



100.14 



2 



Blactd- 



0-1.5 



Grass, rice 



11.45 26.23 ■ 19.88 



12.92 j 19.93 



8.63 



99.04 



«2 







' 





11.75 25.12 1 18.24 



9.59 i 24.62 | 9.88 



99.20 



3 



T.iffhthTOTm 



I 0-15 



Rice 



11.27 21.53 ' 9.17 



19.68 j 24.88 



14.43 inn.9fi 1 



4 Brown clay._ 



i 0-15 



Rice, com 



12. 10 17. 92 14. 81 



15.75 : 26.46 



14.26 



101.30 I 



5 Brown loam_ 



0-15 



Sugar cane. 



10. 56 20. 19 18. 89 



14.95 ] 25.69 



10.29 



100.57 1 







rice, com. 



1 











6 Sticky clay„ 



0-15 



Rice, com 



10.80 33.10 



14.59 



9.88 



23.11 



8.43 



99.91 



7 Dark brown 



0-15 



Tobacco, rice, 



8.85 24.85 



22.32 



9.01 



26.89 



9.68 



101.60 



loam. 





com. 















8 Brown 



0-15 



Rice, corn • 



10.17 29.15 ! 19.05 



8.69 



21.08 



12.78 



100.92 



9 









10.25 36.10 

 14.46 1 49.83 



18.80 

 14.13 



7.32 

 6.79 



19.19 

 9.94 



9.12 

 5.66 



100.78 

 100.81 



(0 



15-30 



do 



«9 







Sugar cane, rice. 



14.79 ^ 51.43 



13.87 



5.01 

 25.17 



9.90 

 28.15 



5.76 

 8.08 



100.76 

 100.00 



10 



Dark brown. 



0-15 



7. 19 1 20. 91 ' 10. 50 







corn. , 



1 1 







. 





11 



■. (^) 



15-30 



do 



15.32 34.31 13.93 16.50 



11.79 8.15 



101.83 



12 







Z'd^^ZZZ 



15.27 26.00 ,19.88 18.88 13.80 i 6.64 



100.44 

 99.71 



C) 



30-60 



17.97 j 27.62 



23.07 ! 17.05 



8.83 j 5.17 



cl2 











17.62 1 26.26 



25.85 j 18.57 



8.56 1 3.59 



100.45 



13 



Dark loam __ 



0-15 



do 



8.10 '■ 12.75 



18.79 1 11.79 



37.32 11.51 



100.26 



•13 











7.83 12.09 



19.79 11.57 



38. 43 10. 99 



100.70 



14 



Brown loam_ 



0-15 



Sugar cane « 



8.07 ' 21.30 



20. 24 8. 72 



32. 52 10. 20 



101.05 



«14 

 15 



(') 







8.46 ; 18.65 



18.57 

 12.05 



11.07 

 7.77 



32. 30 11. 39 

 13.07 9.44 



100.44 

 100.40 



15-30 



~..^.Z.~~.\ 



12.69 



45.38 



•15 

 16 







^^^ ^ 



12.72 



44.00 



14.03 



3.83 



14.33 j 11.47 

 19.80 1 12.80 



100.38 

 101. 46 



(J) 



15-30 



11.97 35.36 



15.42 ' 6.11 



16 











11.59 37.03 



13.38 10.29 



18.12 i 10.19 



100.60 



17 (>=) 



30-50 



do 



15.21 51.00 



10.60 



6.82 



8.77 8.11 



100.51 



'17 











15.32 52.21 





7.28 



8.08 7.14 

























''Bull. V. S. Dept. Agr., Bur. of Soils tl904), No. 24, 20. 



