174 bulletin 1059, u. s. department of agriculture. 



Summary of foresl conditions affecting reproduction or the special tree under obser- 

 vation 3hading, exhaustion of soil moisture, influence of herbaceous vegetation, 

 underbrush, etc 



ription of the special tree under observation as to size, growth, vigor, and repro- 

 ductive capacity 



SOIL CHARACTER AND MOISTURE SUPPLY. 



Depth of litter Character 



Depth of humus Present moisture 



Penetration of humus in mineral soil as shown by color, inches 



< lharacter of subsoil, distinguished from soil 



Total depth of soil permeable to roots, inches 



A mount and kind of rock fragments in soil 



< lharacter of impermeable substratum 



Soil origin (in situ, colluvial, alluvial, or eolian, and from what rocks) 



I i imposition and class 



Drainasre Present moisture. 



REFERENCES. 



Maps 



Reports 



Photographs 



Environmental conditions measured 



Moisture samples Samples for anal) sis 



i I analyses filed 



Observations by (date) 



