TWENTY-FIFTH CHAPTER. 



FEEDING OUR FRUIT AND VEGETABLE 

 CROPS. 



A N ALTOGETHER different phase of the manure 

 "^ question from any we liave struck in the pre- 

 ceding pages, is met with on farms or lands devoted 

 to fruit growing or vegetable gardening. Com- 

 plaints about the ineffectiveness of applications of 

 bone meal or other plain phosphates or superphos- 

 phates to orchards, vineyards, small fruit patches, 

 and vegetable gardens are nothing at all uncommon. 

 Yet such negative results are just the ones that 

 should have been expected. Why? Because the 

 substances named have little or nothing of value be- 

 sides phosphoric acid of which fruit and garden 

 crops require only very small quantities. 



The following table will show, approximately, 

 what great demands for potash fruit and vegetable 

 crops are making on the soil. This table gives the 



