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Filtering by: Subject Plants, Effect of nitrates on Degree Level Bachelor's

The influence of light on tree growth

Creator:

Harris, Wayne

Resource Type:

Undergraduate Thesis

Full Text:

lack of seed production on the part of an exotic plant. There seems to be a critical length of day re
Light in relation to the growth of Douglas fir

Creator:

Hawkins, Leroy A.

Resource Type:

Undergraduate Thesis

Full Text:

an effect on the height of Douglas fir, and the effect is to make the trees of the denser stand grow