GENERAL MANAGEMENT 57 



have so much less than an acre for treatment it will 

 be best to repeat these formulas, reducing them to a 

 smaller unit. Making this reduction somewhat freely, 

 in order to avoid long and useless decimals, we may 

 compute the quantity needed annually for each one 

 hundred square feet of land as follows: 



FOR APPLES AND PEARS IN BEARING 



I pound ground bone 

 I pound muriate of potash 

 34 pound Peruvian guano 



FOR PEACHES AND PLUMS NEWLY PLANTED 



y pound ground bone 



i pound muriate of potash 

 Y% pound nitrate of soda 



FOR PEACHES AND PLUMS IN BEARING 



l /4 pound Peruvian guano 

 1^4 pound muriate of potash 

 i pound ground bone 



Cherries should be treated like plums ; gooseberries, 

 currants, and most other fruits, like apples. 



In the home of dwarf tree culture, that is, in Europe, 

 trained trees are extensively grown upon walls. The 

 gardeners utilize for this purpose not only the walls 

 of stables and outbuildings, and of the enclosed gar- 

 dens, but long ranges of brick are built for the special 

 and exclusive purpose of accommodating fruit trees. 

 In southern Germany, in Switzerland, in Belgium, in 

 France, and especially in the neighborhood of Paris, 

 there are hundreds of miles of these walls. The walls 

 may run north and south or east and west. Both 

 sides of the walls are used, even when one side faces 

 the north. Currants and gooseberries are expected to 



