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:

Competitive Markets

Markets in which there are many buyers and sellers so that each has a negligible impact on the market price of goods and services.

Monopoly Markets

Markets in which a single seller dominates, with no viable competition, often leading to higher prices for consumers.

Oligopolistic Markets

Markets dominated by a small number of firms, leading to limited competition and potentially collaborative behavior.

Price Effect

The impact that a change in a good’s price has on its demand, considering both the substitution and income effects.