Menu Close

Which of the following is a mixture of decomposed organic matter and is usually dark in Colour?

Which of the following is a mixture of decomposed organic matter and is usually dark in Colour?

humus is the answer .

What means rich soil?

Rich, organic soil has rounder aggregates, allowing water and air to move more easily around plants’ roots. This results in healthier plants. If the aggregates are difficult to break apart, you have a hard soil problem.

Which soil horizon is rich in humus answer?

A horizon or topsoil – This layer is known as a humus layer and is mainly rich in organic materials.

What is a rich organic soil?

Organic matter is derived from the breakdown of plant and animal residues by soil organisms such as earthworms, bacteria, fungi, and actinomycetes. The richest form of organic matter is humus, which is what remains after extensive decomposition of organic matter.

How do you make dark soil rich?

Add Organic Matter

  1. Try composting. Composting is a means of recycling almost any organic wastes.
  2. Tap chicken power to mix organic materials into the soil.
  3. “Mine” soil nutrients with deep rooted plants.
  4. Plant cover crops.
  5. Cover the soil with mulch.
  6. Use permanent beds and paths.
  7. Try low-tech tillage.

Where does the organic material in soil come from?

The dark, organic material formed in soil from the decayed remains of plants & animals. The solid layer of rock beneath the soil. a method to maintain the fertility of the soil by protecting the soil from erosion and nutrient loss.

What makes up the solid layer of soil?

The solid layer of rock beneath the soil. a method to maintain the fertility of the soil by protecting the soil from erosion and nutrient loss. A loose mixture of rock fragments, organic material, water, & air that can support vegetation. Q.

What is the role of rock in soil formation?

The layer of rock beneath the soil. a method to maintain the fertility of the soil by protecting the soil from erosion and nutrient loss. A loose mixture of rock fragments, organic material, water, & air that can support vegetation. Q.