RENOVATION 



117 



to omit all fertilizers during the first two years of 

 the renovation work. ,The stirring of the soil will 

 liberate additional plant food and the pruning of the 

 trees will itself start up an unusual amount of 

 growth. If large amounts of fertilizers are added 

 at the same time, especially barnyard manure or 

 other forms of nitrogen, the trees may easily be 

 forced into a too vigorous growth. Still, some fer- 



FIG. 6a— A BALDWIN ORCHARD SUCCESSFULLY RENOVATED 



tilizers will be required. The plan of feeding this 

 plant food to the trees should be mapped out on the 

 basis of the needs of a full-grown orchard and the 

 trees should be brought up gradually to this allow- 

 ance. 



The cover cropping will follow in the routine of 

 orchard management, as already described on page 

 43. The cover crop will be especially valuable in 

 bringing the soil into a good physical condition and 

 in adding the supply of humus which is apt to be 



