OBJECTIVE FORESTRY

FORESTRY

SOIL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which type of soil is best for growing plants and has the remains of decayed plants and animals?
A
sand
B
clay
C
gravel
D
humus
Explanation: 

Detailed explanation-1: -Answer: The best topsoil for growing plants is loam. Loam is a mixture of sand, silt, clay and humus. It has the right water-holding capacity for plant growth.

Detailed explanation-2: -Loamy soil is best for plant growth as it has high water retention capacity thus it retains water for long and also retains the nutrients which is required for plant growth.

Detailed explanation-3: -Humus is partially decayed organic matter. Function of humus: It makes soil porous, thereby increasing its air and water holding capacity. It is rich in nutrients (e.g., minerals) that promote plant growth.

There is 1 question to complete.