16 FRUIT CULTURE. 



Total 100-0 100-0 



. 6-60 



. 0-99 



. 0-10 



. 0-10 



. 1-91 



. 0-11 



. 7-29 



The high percentage of iron oxide as shown above, is 

 probably the chief contributing cause of the brightness 

 in colour of the Calif ornian fruits. 



We will now give some analyses of English soils, by the 

 late Dr. Volcker, as affording good examples of the more 

 frequent and important varieties of soil in the British 

 Isles, adding such remarks as may appear applicable to 

 each. 



1. COMPOSITION or A CALCAREOUS CLAYEY SUKFACE SOIL. 

 Selected Constituents in 100 parts. 



Per cent. 



Organic matter II '08 

 Clay . . 52-06 

 Sand 2i-53 



Per cent. 



. V "> 



Lime . . llv>i 

 Potash . . 0-32 

 Phosphoric acid 0'12 



Such a soil for fruit growing requires only to be kept 

 up to its present condition of fertility, which may be done 



