Soil as a Resource. As a core component of land resources, agricultural development and ecological sustainability, it is the basis for food, feed, fuel and fibre production and for many critical ecosystem services. The soil is the best natural resource available to us. Start studying 3.19 Unit Assessment: Resources, Part 1. • Texture names may include loam, sandy clay loam, silt loam, or clay depending upon the percent of sand, silt, and clay in the soil sample. The purpose of the compaction is to improve the load support. The soil … • Soil texture depends on the size of individual soil particles and is determined by the relative proportions of particle sizes that make up the soil. Contrast plant life with human life. Importance (Functions) of Soils Soils are essential for life, in the sense that they provide the medium for plant growth, habitat for many insects and other organisms, act as a filtration system for surface water, carbon store, and maintenance of atmospheric gases. Discuss the importance of soil and how it affects people. Importance of the Soil In Agriculture. Let’s remember it’s one of our most important resources, along with water and the air we breathe, and treat it … Discuss human dependence on the soil. In rural areas, it's easily visible, but in large cities, it's hidden beneath buildings and roads. Soil can also be used as building materials such as adobe and red bricks. Soil offers plants the physical support. 1. It is the medium of plant growth and supports different types of living organisms on the earth. Organisms found in the soil, such as worms, beetles, bacteria and fungi, obtain food from the soil. It is through this vegetation that nourishes the humankind and the animal kingdom. Let’s make it our cause to treat soil everywhere — on our farms, in our forests and grasslands, in our yards and public spaces — as we do it in our gardens. Soil is regarded as life and the pillar of agriculture because it is the medium onto which most plants grow. Soil is one of the three principal natural resources; the other two are air and water. Soil is made up of air, water, minerals and organic material and is one of the most important natural resources on earth. 2. It takes millions of years to form soil upto a few cms in depth. Soil is often called the "living skin" of the earth. It is vital for our survival on the earth. Soil is an important part of the building process. Farmers and gardeners know this fact and go to great efforts to conserve it. The topsoil which is desirable for the growth of plants is eroded because of human activities like making of homes, roads, buildings and city expansions. Soil is a finite resource, meaning its loss and degradation is not recoverable within a human lifespan. Soil is an essential natural resource that needs to be used properly and protected. Humans cannot manufacture their own food from the four primary resources of soil, air, Identify reasons for studying soil. Let’s keep it healthy, naturally. Most life on earth depends on soil as a direct or indirect source of food. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Soil is the most important renewable natural resource. Soil compaction, which increases the density of the soil, is done as part of the building process. If not done, structural failure can result. It provides nutrients to plants and animals by converting dead organic matter to various nutrients. It is the soil that provides nutrition to this plant life. Plants are important resource of food and fuel and of wood and other by-products that make our other life functions possible. Soil is one of the most important and essential natural resources. Depends on soil as a direct or indirect source of food and fuel and of wood and by-products... 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