The topsoil of fertile land appears darker th | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) The topsoil,also known as the $A$-horizon,is the uppermost layer of soil. It appears darker in color primarily because it is rich in organic matte

Vedclass · Accepted Answer

Rich in organic matter

Vedclass · Answer

(B) The topsoil,also known as the $A$-horizon,is the uppermost layer of soil. It appears darker in color primarily because it is rich in organic matter,known as humus,which is formed by the decomposition of plant and animal remains. This organic matter provides essential nutrients and improves the soil structure,making it highly fertile. In contrast,the deeper layers (subsoil) contain less organic matter and more mineral particles,resulting in a lighter color.

The topsoil of fertile land appears darker than the soil one meter below. The reason for the color of the topsoil is:

Similar Questions

Apart from plants and animals, microbes form a permanent biotic component in an ecosystem. While plants are referred to as autotrophs and animals as heterotrophs, what are microbes referred to as? How do microbes fulfill their energy requirements?

Assertion: Decomposers play a significant role in the mineral cycle.
Reason: Decomposers are not included in the food chain.

$A$: Detritivores and decomposers hold up a part of nutrients contained in detritus.
$R$: Immobilised nutrients cannot be available for solubilisation after the death of saprotrophs.

Define decomposition and describe the processes and products of decomposition.

The word $detritus$ includes:

Vedclass Test Series

Exam Paper Generator

Online Exam Module