One often hears the idea expressed that there is little to be done during the winter months in the way of field or laboratory studies of trees. In reality there is a wealth of material available and the following suggestions are offered in the hope that they will be helpful in calling attention to the possibilities of winter tree study.
©1929 by Iowa State Teachers College
Clark, O. R.
"Winter Study of Trees,"
Science Bulletin: Vol. 1:
3, Article 9.
Available at: https://scholarworks.uni.edu/science_bulletin/vol1/iss3/9