The Diagnosis of Mineral Deficiencies in Plants by Visual Symptoms
Published by His Majesty's Stationary Office — 1943
— Crown Copyright Reserved —
TURNIP IN SAND CULTURE — from the 1951 edition
by Thomas Wallace, M.C., D.Sc., A.I.C.
0109. Turnip Plant
Calcium deficiency (soil acidity complex)
Leaves curled forward, margins pale yellow bands, widening later and becoming brown and scorched; scorched portions curl sharply over towards upper surface.
0110. Turnip Plants
Magnesium deficiency
Older leaves chlorotic marbling, with occasional reddish tints in later stages.
0111. Turnip Plant
Iron deficiency
Chlorotic mottling of leaves.
0112. Turnip Plant
Insect injury
Leaf distortion and corky petioles. (May be confused with boron deficiency)
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Color Pictures of Mineral Defeciencies in Plants – 1943
Using Hydroponics to Understand the Earth's Life Processes
Understanding Colloidal Suspensions
" The Art of Healing Ourselves "
The Diagnosis of Mineral Deficiencies in Plants by Visual Symptoms
by Thomas Wallace, M.C., D.Sc., A.I.C.
on the Atomic Level
The Tortoise Shell Hydroponic Reference Center
Plants need to absorb what you feed them.
Only You can bring Good Health and Healing into Your Body.