Soil Around the World Answers

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What kind of vegetation do fertile, well-developed alfisols support?

desert scrub

peat bogs and marshland

temperate forests

tropical rainforest

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Utilizing ultisols for agriculture requires _______.

extensive irrigation

fertilizer to balance the high alkalinity of the soil

adding organic matter to supplement the shallow horizons

fertilizer to replace nutrients that leach from the soil

Histosols experience a fast rate of decomposition. Please select the best answer from the choices provided

Soil color only reflects the amount of organic matter present in soil.

How is over-irrigation damaging to soil?

It reduces the amount of organic material in soil.

It results in the accumulation of salt near the soil surface.

It increases the acidity of soil.

It removes water from the water table.

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