Physiology-Soils PM Negatives 101-104

Title

Physiology-Soils PM Negatives 101-104

Creator

Date

1943

Format

Description

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

#101, 45/ᵘ from tip; #102, 105/ᵘ from tip; #103, 120/ᵘ from tip; and #104, 105/ᵘ from tip.

Photographed by B. Krauss, August 17, 1943.