The Growth of Plants on Sodic Soils Is Constrained by All

question 10

Multiple Choice

The growth of plants on sodic soils is constrained by all but one of the following:

• A)caustic influence of high pH caused by sodium carbonate and bicarbonate
• B)toxicity of bicarbonate and other anions
• C)low micronutrient availability due to high pH
• D)oxygen deficiency due to breakdown of soil structure or
• E)toxicity of very high levels of calcium carbonate

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Definitions:

Opportunity Cost

The loss of potential gain from other alternatives when one alternative is chosen, essentially what is forfeited when a particular course of action is selected over others.

Attending College

The act of enrolling in and going to a collegiate institution for higher education, often pursued to gain skills, knowledge, and qualifications for future employment.

Annual College Expenses

The total cost of attending a college or university for one academic year, including tuition, fees, room, board, books, and other related expenses.

Minimum Price

The lowest possible selling price, set by agreement or regulation, below which a product cannot legally be sold.