Physiology-Soils PM Negatives 107-110

Title

Physiology-Soils PM Negatives 107-110

Creator

Date

1943

Format

Description

Transverse sections of tip of of root from 9-months-old plant grown in complete (NO₃) nutrient solution, at different levels.

#107, 195/ᵘ from tip; #108, 210/ᵘ from tip; #109, 225/ᵘ from tip; and #110, 240/ᵘ from tip.

Photographed by B. Krauss, August 18, 1943.