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Document Type

Research

Abstract

The two poplars of this experiment are on the parking of a street running north and south. At three feet above ground, where the temperatures were taken, the south tree is 18.5 inches and the north tree 16 inches in diameter. All lower branches have been removed to a height of 16 feet or more and there are no obstructions to forenoon or afternoon sunlight. They are openly situated.

Publication Date

1932

Journal Title

Proceedings of the Iowa Academy of Science

Volume

39

Issue

1

First Page

63

Last Page

63

Copyright

©1932 Iowa Academy of Science, Inc.

Language

en

File Format

application/pdf

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