SEVENTEENTH ANNUAL YEAR BOOK— PART VIII 



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when 40 years old, will produce 200 poles averaging 9 inches in diameter 

 at the bottom and 1000 posts per acre. After 25 to 30 years it is prac- 

 tically impossible to keep out grass and weeds in a pure plantation of 

 larch. An underplanting of spruce or some other tolerant species would 

 undoubtedly benefit the stand. 



Fi;4. n.— .\ plantation of European larch in central Iowa. The 

 li-i'es are 4i) year.s old and tlie larger une.s are about 12 inche.s in diameter. 

 .Note tlie tall, straight grovvtli and llie thinne.ss of Ihe foliage. I'lanta- 



For ornamental purposes the European larch makes one of the most 

 beautiful lawn trees. Altho it does not hold its leaves over winter, 

 the light green of the new foliage, which appears early in the spring. 



