118 NATURE-STUDY REVIEW [14:3— Mar., 1918 



If the ground is too dry : 



i. -How water these trees? Ref. n, pp. 107-109. 



1. When water? 



2 . How much water shall he give the trees ? 



3 . How water so that roots will get the water ? 



IV. How then shall he care for these trees by watering them? 



Conclusion: For trees two to four years old give twenty to 

 twenty-five gallons of water every week or ten days. Make 

 around the tree a basin as large as the crown of the tree. The 

 basin should slope from the tree to the outer edge of the basin 

 which should be about eight inches deep. Pour water into this 

 trench slowly. To keep this water about the roots, fill in basin 

 with loose dirt and keep dirt loose. 



If trees are not getting enough food : 



2. How see that trees get food? Ref. 7, pp. 11 4-1 16. 



Ref. 11, pp. 109-110. 



1. What food does the tree need? 



2 . In what condition must soil be to make it possible for 

 tree to get food? 



3. How give tree more food? 



2. Repeated. 



Conclusion: Improve the soil, either by spreading stable 

 manure over the ground in the fall and raking it off in the spring, 

 or by an application of the dressing suggested in reference 7 page 

 115 or the one suggested in reference 11 page no. These appli- 

 cations will not only supply food but they will also make the soil 

 porous so that the trees can more easily get the food. 



Some of the trees were planted near the street. The trees are 

 now fifteen years old and the lower limbs annoy people who pass 

 along the street. 



3. How cut limbs- off? Ref. 7, pp. 1 16-123. 



Ref. 8, pp. 1-12. 

 Ref. 9, pp. 169-17 1. 

 Ref. 11, pp. 1 10-135. 



1. Which shall be cut off? 



2. When prune? 



