Agricultural Soil in a Relatively Dry Region of the United

question 42

Multiple Choice

Agricultural soil in a relatively dry region of the United States has been tilled for many years and has undergone both erosion and irrigation.An inadequacy of which factor is most likely to limit plant productivity in this soil?

• A) Nitrogen or phosphorus
• B) Water
• C) Oxygen
• D) Temperature
• E) Light

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Definitions:

Lichens

Lichens are symbiotic organisms composed of fungi and either algae or cyanobacteria, known for their ability to grow on and weather rocks and other surfaces.

Plant Diversity

The variety and variability of plant species within a specific region, ecosystem, or the planet as a whole.

Plantation Forestry

The practice of growing trees in a managed plot for commercial timber or pulp, often involving monocultures of a single species.

Ecosystem Restoration

The process of aiding the recovery of an ecosystem that has been degraded, damaged, or destroyed, aiming to restore its original structure and functioning.