352 Studies on the Palreozoic Soils of North Wales 



Table II {conlin/ued). Anglesey Medium Loam. 



Fine gravel 

 Coarse sand 

 Fine sand 

 Silt ... 

 Fine silt 

 Clay ... 



Moisture 

 Organic matter 

 Calcium carbonate ... 



Nitrogen 



48 hmirs'' digestion with HCl 



Potash (KoO) , 



Phosphoric acid (P2O5) .., 

 Calcium oxide (CaO) 

 Magnesium oxide (MgO).. 

 Insoluble ... 



Soluble in 1 % cilrir. : 



Potash (KoO) 



Phosphoric acid (PgOj) .. 



Fine gravel ... 

 Coarse sand ... 

 Fine sand 



Silt 



Fine silt 



Clay 



Moisture 

 Organic matter 

 Calcium car))onate ... 



Nitrogen 



48 hours' digestion with HCl 



Potash (K2O) 



Phosphoric acid (P2O5) .., 

 Calcium oxide (CaO) 

 Magnesium oxide (MgO).. 

 Insoluble ... 



Soluble in 1 % citric : 



Potash (K2O) 



Phosphoric acid (P2O5) .. 



-291 



•330 



•263 — 



•281 — 



■336 



■337 



■280 



•279 



