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Filtering by: Subject Peas -- Effect of light on Degree Level Bachelor's

1. The influence of light on tree growth

Creator:: Harris, Wayne
Resource Type:: Undergraduate Thesis
Full Text:: The influence of light on tree growth THE INFLUENCE OF

2. Light in relation to the growth of Douglas fir

Creator:: Hawkins, Leroy A.
Resource Type:: Undergraduate Thesis
Full Text:: and in its northern extremity needs full light; and a tree which may require a great deal of light on