Date of Award

6-1-1929

Degree Type

Thesis

Degree Name

Master of Science (MS)

Abstract

For more than twenty years much attention and study has been given by agronomists, plant physiologists and soil chemists to the element aluminum, its compounds and their effects upon plant growth.

Many attempts have been made to determine "active" aluminum in the soil as related to its effect on plant growth. To date however little agreement has been obtained with the various chemical methods between the amounts "active" aluminum found and actual depression of growth. In this problem an attempt was made to determine if the removal of aluminum by crops correlates better with aluminum toxicity than does pH or weak acid extraction, toxicity having been agronimically.

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