Essay on Soil and Land Pollution
Essay on Soil and Land Pollution. Land is the main resource for agriculture and we have to produce more and more from less and less land to feed our growing population.
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Here is your Free Sample Paragraph on Soil
Soil is the uppermost layer of the Earth’s surface made up of weathered rocks, finer material like sand, silt and clay, together with organic matter. Soil forms a very thin layer but is of the utmost importance to us. This is so because it is the layer that supports plants, and plants provide food for all other living things.
What are the main causes of soil erosion ?
Soil erosion refers to all physical processes that loosen or tear-off soil particles and displace the detached particles from the parent sites. Much of the erosion is due to instability of land mass , gravity and the balance is directly lost due to excessive moisture or water in the earth mass.
How do plants absorb water and minerals from the soil ?
Land plants absorb water from the soil mostly by root hairs. Root hairs are unicellular, thin-walled outgrowths of epidermis. They are in close contact with the thin film of water surrounding the soil particles.
What are the various practices used for the improvement of soil for agriculture ?
Growing crops year after year in the same soil results in depletion of the various nutrients in the soil because of which the soil loses its fertility. The various practices used for the improvement of the soil in order to replenish the nutrient content are..
What are the different types of Soil found in India ?
Nature has given India a variety of natural resources. We need these resources to meet our daily needs. Soil, is an important natural resources, that provides food for the plants to grow and helps us to produce cereals, fruits and vegetables.