Soil types - CS Flashcards

(15 cards)

1
Q

Where are latosols found

A

Found around the equator in the tropics

South/Central America

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2
Q

Characteristics of latosols

A

Rich in aluminium and iron oxides

30-40m deep

Low in nutrients

Lack of fertility

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3
Q

Why are tropical latosols poor for agriculture

A

Tropical latosols lack nutrients because humus is not retained, and minerals are leached. Clearing plants exposes soil to heavy rainfall, further leaching minerals needed for plant growth.

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4
Q

What is required for high-yield arable crops in latosol regions?

A

Fertilisers are necessary

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5
Q

What farming method allows soil recovery in latosol regions

A

Shifting cultivation - land is left for a few years to recover

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6
Q

What is slash and burn farming

A

Plants are cleared and burned, which prepare land and provide nutrients

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7
Q

What type of commercial farming is common in latosol regions

A

Pastoral farming as the land is used for grazing livestock

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8
Q

Where are Podzols found

A

cooler more temperate climates

Northern Hemisphere

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9
Q

What are the characteristics of podzols

A

1- 2m deep

Acidic

Distinct Horizons

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10
Q

What is the humus type in podzols

A

Mor Humus
Acidic
Slow to decompose

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11
Q

Are podzols good for farming

A

Generally poor agriculture due to acidity, low nutrients, and drainage issues

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12
Q

what crops can grow on podzols

A

Limited crops such as oats and potatoes

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13
Q

How can podzols be improved for farming

A

Adding fertilisers to replenish nutrients

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14
Q

What is the best agriculture use of podzols

A

Grazing

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15
Q

What challenges to farmers face with podzols

A

Low moisture retention

Low nutrients

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