i6o MANURES FOR FRUIT TREES 



The ashes of the sumach contain in 100 parts : — 



One ton of the sumach extracts 29 lbs. of mineral 

 matter from the soil. 



The sumach grows extremely well on the boule- 

 vards of Paris, and in August its panicles of golden 

 yellow flowers hang like bunches of grapes. The 

 French attend to their " street " trees by watering 

 them daily. 



The bark of the sumach, which contains from 

 8 to 15 per cent, of tannic acid, is used by 

 tanners. 



Rose {Rosa, species many, and many varieties, 

 Natural Order, Rosacese) is a hardy or half-hardy 

 deciduous tree. Rose-trees prefer a rich stiff loam, 

 which should be top-dressed from time to time 

 with cow- dung. 



The ashes of rose-trees contain in 1 00 parts : — 



Iron oxide . 

 Manganese dioxide 



3-68 

 0-52 



