Soil & Soil Fertility

Question 1

Soil formation

Answer 1

The process by which soil develops from parent material through the combined actions of weathering, biological activity, and other soil-forming processes over time

Question 2

Main components in soil formation

Answer 2

Weathering
Volcanic Action
Organic Matter
Human Activities
Soil Organisms

Question 3

Functions of Soils

Answer 3

Supplies nutrients
Supplies water for plant use
Provides a habitat for soil organisms

Question 4

Benefits of growing crops in soil

Answer 4

Cheaper
Better anchorage
Presence of beneficial micro-organisms

Question 5

Factors Affecting Soil Structure

Answer 5

Climate
Plants
Microorganisms

Question 6

Types of Soil Erosion

Answer 6

Geologic
Accelerated

Question 6

Soil Erosion

Answer 6

The loss of soil by the action of wind and water

Question 6

Forms Of Soil Water

Answer 6

Gravitational Water
Capillary Water
Hygroscopic Water

Question 7

Effects Of Soil Erosion

Answer 7

Poor vegetation cover
Appearance of channels
Decrease in land value

Question 8

Soil and Water Conservation Methods

Answer 8

Forestry
Terracing
Windbreaks

Question 9

Soil Fertility

Answer 9

The ability to provide plants with necessary nutrients and water in suitable quantities and ratios for their growth and reproduction, without containing harmful substances that could impede their development.

Question 10

Composting

Answer 10

A natural process that turns organic materials and biodegradable materials into nutrient-rich soil amendment