96 



THE DATE PALM. 



In Table 33 are given the results of the analyses of the soils from the ten Saharan 

 stations where samples were obtained. The alkali content of the soil is expressed 

 in percentages of the total weight of the soil, as in the preceding pages. All esti- 

 mated quantities are inclosed in parentheses. 



TABLE 33. Percentage of alkali in Salwran soils where date culture is possible and in 

 artesian water used to irrigate date plantations. 



ARTESIAN WATER. 



