ORCHARD FRUITS 



307 



to make the roots go as deep as possible (page 53), and make 

 frequent irrigation and fertilizers less needful. Fertilizers 

 should be put in deeply, so as to make the roots go down 

 instead of spreading near the surface. 



FIG. 168. Orange orchard* (Notice the mulch.) 



Oranges and lemons are known and used all over the world. 

 The rinds of oranges and lemons are pressed or distilled for 

 flavoring essences, and the flowers of both are gathered and 

 distilled to make much-prized perfumes, of which oils of 

 neroli and cedrat are best known. 



Flavoring extracts of lemon and orange can be made by 

 simply letting the outside rind of the fruit soak in alcohol; 

 but most of the commercial extracts of this kind are now 

 made by dissolving the ready-made oil in alcohol. Many 



