24 



The Bulletin. 



In planting young trees I do not make a practice of putting 

 fertilizers in the holes, but when the trees become established they 

 can safely have two pounds of mixed fertilizer worked into the sur- 

 face soil. The fertilizer should not be placed close to the trunk of 

 the tree. The amount of fertilizer can be increased as the neces- 

 sities of growth seem to require. When the trees become of bearing 

 size they should have less of nitrogen in the fertilizer and more 

 phosphoric acid and potash. The latter ingredients are especially 



Fig. 12. — Branch Showing Staminate Flowers. 

 (Photo by S. B. Shaw.) 



fruit manures and tend to encourage nut production. Where cover 

 crops are used, a good dressing for trees of bearing size is 5 pounds 

 of kainit and 5 pounds of acid phosphate per tree. It is thought 

 by some that it is not necessary to cultivate mature trees, but all 

 growers will agree that for growing trees tillage is imperative. 



PECAN BLOOM. 



In common with many nut-bearing trees, the pecan tree has flowers 

 that differ considerablv from the flowers we see most commonlv about 

 Unless one's attention were called to it, he might never think 



us 



that the pecan tree bloomed at all, for its flowers are not of the 



