20 

 Series II, Central 



Carbonic acido as, (Co 3) ... . 

 Bicarbonic acid as, (HCO 3)2 



Chlorine 



Sulfuric acid as, (SO 4) 



Calcium . . 



Magnesium 



Potassium 



Sodium 



Cane N<? 1. 



Variety Cristalina 



Number of stalks 5. 



Weight per stalk in pounds 2.1 



Extraction 45.9 



Brix 17.9 



Sucrose 13.7 



Glucose 2.1 



Purity 76.5 



Glucose Ratio 15.3 



Non-Sugars 2.1 



Non-Sugar Ratio 15.3 



Potassium Chloride 0.337% 



Potassium Sulfate 075% 



Potassium Chloride plus Sulfate . . . >.412% 



Maxwell gives some further figures (*) on the influence of the salt 

 content of the soil on the yield of sugar. They show clearly that the sugar 

 production decreases with a rising salt content of the soil: 



Condition of 

 irrigation watesr 



Slightly brackish 

 Highly brackish 



B. 



Pa t f field. Salt in soil </ . Yield of sugar per acre. Tons. 



6.0 

 1.5 

 0.0 



(1) "Office of Experiment Stations, Bui. 90, p. 17." 



