148 AGRICULTURE FOR COMMON SCHOOLS 



spread around an old apple tree that no longer bears good 

 fruit will make a great difference within a year. Stable ma- 

 nure is always good to spread on orchard land. It adds plant 

 food and humus to the soil. In addition, phosphoric acid 

 and potash fertilizers are very helpful. Good cultivation and 

 heavy fertilizing will give large returns in fruit of large size, 

 brilliancy of color and fineness of flavor. 



