56 



MANURES FOR FRUIT TREES 



The percentage composition of the fruit is the 

 following : — 



Blackberry {Bubus fruticosus, Natural Order, 

 Eosacese) grows in ordinary soils. The ashes of 

 the fruit and wood contain in 100 parts : — 



One ton of blackberries extracts 10 "2 lbs. of 

 mineral matter from the soil. 



The percentage composition of the fruit is the 

 following : — ■ 



