OBJECTIVE FORESTRY

Detailed explanation-1: -Topsoil. The layers of the soil are called horizons . The uppermost horizon is called the topsoil layer. The topsoil layer is a mixture of sand, silt, clay and broken down organic matter, called humus.

Detailed explanation-2: -Topsoil, as the name implies, is the very top layer of soil. Topsoil is dense with minerals and organic matter, which gives it a much darker color than other gardening soils. Some might argue that topsoil is the most valuable soil layer in your garden.

Detailed explanation-3: -What is Topsoil? Topsoil is the uppermost layer of the ground, on average 2-10 inches deep, that contains most of the nutrients and fertility of the soil. In the landscaping industry, anything gathered and packaged from that layer of soil is called topsoil.

Detailed explanation-4: -1. The O-Horizon. The first layer, the O-Horizon, is the superficial top layer of soil that is primarily composed of decaying organic matter (humus), living organisms and fresh soil. This layer of the soil boasts a brown or black colour due to its organic composition and is usually very thin.

Detailed explanation-5: -Topsoil is exactly what it sounds like; it is the top layer of soil. It is defined as the first two to twelve inches of soil regardless of which of the many soil types it is. Also known as surface soil, this organic layer is where you can also find most of a plant’s roots.