Chapter 1-Definition+Composition+of+Soil

Question 1

The upper layer of earth in which plants grow

Answer 1

Soil

Question 2

A black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles

Answer 2

Soil

Question 3

Crucial to life on earth

Answer 3

Soil

Question 4

What definition of soil states that it is a loose surface of the earth as distinguished from solid bedrock: support of plant life not required

Answer 4

Geologic definition

Question 5

What definition of soil states that it is a material that nourishes and supports growing plants; includes rocks, water, snow, air

Answer 5

Traditional definition

Question 6

What definition of soil states that it is a mixture of mineral matter, organic matter, water, and air

Answer 6

Component definition

Question 7

Volume composition of loam surface. What is the percentage of Air?

Answer 7

20-30%

Question 8

Volume composition of loam surface. What is the percentage of water?

Answer 8

20-30%

Question 9

Volume composition of loam surface. What is the percentage of organic matter?

Answer 9

5%

Question 10

Volume composition of loam surface. What is the percentage of mineral?

Answer 10

45%

Question 11

Collection of natural bodies of the earth’s surface, in places modified or even made by man or earthy materials, containing living matter and supporting or capable of supporting plants outdoors.

Answer 11

Soil taxonomy definition

Question 12

It is always related to dirt

Answer 12

Soil

Question 13

Soil provides physical support, water, air, temperature moderation, protection from toxins, and nutrient elements to the growing crop

Answer 13

Soil as media for plant growth

Question 14

Soil allows rain to soak in, water may be stored and used by trees

Answer 14

Soil as regulator of water supplies