49 



potash and kindred manures should be liberally used. Nitrogen- 

 ous manures encourage the development of new wood and foliage, 

 while lime and potash are necessary to an abundance of fruit. 



The yellow leaves of the tree indicate a deficiency of nitrogenous 

 manures, while the dark green leaves show an abundance. On the 

 other hand rust on fruit shows an excess of nitrogenous manures, 

 and the writer has found a correction of this in using the slacked lime, 

 from burned oyster shells sown broad cast. The lime, in sowing, 

 should be allowed to sift lightly through the branches and leaves of 

 the tree. It should be applied before the trees bloom and when the 

 foliage is dry. 



