Phosphorus Availability in Acid Soils Is Constrained by the Presence

question 40

Multiple Choice

Phosphorus availability in acid soils is constrained by the presence of significant quantities of reactive ______.

• A)iron
• B)calcium
• C)magnesium
• D)sulfur
• E)boron.

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Definitions:

Between-groups Df

Degrees of freedom associated with the variance between the groups in an ANOVA test, useful in determining the variability attributable to the difference between groups.

Simple Analysis of Variance

A statistical method used to compare the means of two or more groups to see if there is a significant difference between them.

One-way ANOVA

A statistical test that compares the means of three or more independent groups to determine if there is a significant difference among them.

Dependent Variable

In an experiment, it is the variable that is being tested and measured, expected to change as a result of modifications to the independent variable.