47 



Soil analyses, district of Binalbayan-lsabela— Continued. 



Remarks. 



Hacienda Tagum Tagum; 

 higher land near river. 

 A lighter loam, more 

 easily worked. Yields 125 

 picuis (7. 9 metric tons) su- 

 gar per hectare from plant 

 cane and 80 picuis (5.5 

 metric tons) from first 

 ratoons. Land will pro- 

 duce from four to fi v e 

 ratoon crops. Subsoil at 

 H) to 60 centimeters, very 

 little difierent from 

 surface. 



Soil 

 No. 



Detritus Mechanical analvses of samples (5 grams) of material, dis- 

 onl-mm. trict of Isabela: passing a 1-mm. screen. Samples aspre- 

 screen. pared for chemical analysis. 



Nature of soil. 



38 

 3? A 

 42 

 42 A 



4.T 



4:'. A 

 49 

 49 A 



Surface . 

 Subsoil-. 

 Surface . 

 Subsoil- 

 Surface . 

 Subsoil - 

 Surface 

 Subsoil - 



The average soil from tliis district is as follows: 

 Chemical composition. 



Physical composition. 



Nature of soil. 



r,= l 



1.0-0.5 : 0.5-0.25 j 0.25-0.10 O.ia-0.05 005^ 005I <(, oo5 



>lmm.. mm., mm., ' mm., ■ mm., 1 



gravel, coarse medium, tine very tine' 



sand. sand. sand. ; sand. 



mm. 

 silt. 



mm., 

 clay. 



Surface . 

 Subsoil . 



Per cent. ' Per cent. \Per cent. \Per cent. \Per cent, j Per cent. \Per cent. 

 0.2 0.39 I 3.18 11.07 I 15.87 ; 48.74 } 20.51 



0.3 1.05 3.58 10.45 I 19.94 43.91 ! 20-85. 



Total. 



Per cent. 

 99.75 

 99,75 



