520 



Bljllictin 84 



table; XI. CHEMICAL ANALYSIS OF SOIL FROM BOTTOM LAND, PRFSCOTT 



DRY-FARM 



Composite 

 sample 



1st 

 2nd 



feet 

 feet 



Acid 



in- 

 soluble 



% 

 80.820 

 84.917 



Avg. 8 feet 



82.868 



Pot- 

 ash 

 (KoO) 



.481 



Phos- 

 phoric 

 acid 

 (PsOb) 



% % 



.532 .190 

 .430 i .164 



Lima 

 (CaO) 



% 



1.650 

 1.320 



.177 1.485 



Nitro- 

 gen 

 (N) 



Humus 



% 



.085 

 .063 



.074 



% 

 1.400 

 l.OCO 



1.200 



Alkali 



Solu- 

 ble 

 solids 

 dried 



at 

 110° C. 



% 

 0.192 

 O.ICO 



Chlo- 

 rides 



as 

 NaCl 



CaandMg 

 sulphates 



and chlo- 

 rides as 

 CaSO, 



% 

 .012 



.008 



.146 1 .010 



% 

 .044 

 .011 



.027 



TABLE XII. 



MECHANICAL ANALYSIS OF INTERMEDIATE LOAM, PRESCOTT 

 DRY-FARM 



TABLE XIII. CHEMICAL ANALYSIS OF INTERMEDIATE LOAM, PRESCOTT 



DRY-F.\RM 



The native vegetation consists of gramas, six weeks' grass, and 

 scrub oak. Water for domestic purposes may be obtained at depths 

 ranging from 40 to 50 feet in the center of the valleys, and from 300 



