OBJECTIVE FORESTRY

Detailed explanation-1: -Humus is dark, organic material that forms in soil when plant and animal matter decays. When plants drop leaves, twigs, and other material to the ground, it piles up. This material is called leaf litter.

Detailed explanation-2: -Dead and decayed residue of plants and animals is called humus.

Detailed explanation-3: -Nourishing humus soil is a key ingredient for a flourishing garden. But what is humus soil? It’s a dark black mature compost which is packed with nutrients and minerals to feed your plants. It’s easy to make your own humus soil at home, using various types of organic matter, and it can do wonders for your garden.

Detailed explanation-4: -Carrion, or the remains of dead animals, is something that most people would like to avoid-it is visually unpleasant, emits foul odors, and may be the source of numerous pathogens. Decomposition of carrion, however, provides a unique opportunity for scientists to investigate how nutrients cycle through an ecosystem.

Detailed explanation-5: -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.