Soil Minerals and Their Uses

The soil minerals present in the soil have following uses:

  • Quartz: Provides stability and drainage, ensuring proper aeration for plant roots.
  • Feldspar: Helps with nutrient exchange and contributes to soil fertility, supporting healthy plant growth.
  • Mica: Adds to soil structure, promoting water retention and preventing erosion.
  • Iron Oxides: Give soil its color and help with nutrient availability to plants, aiding in photosynthesis and overall growth.
  • Phosphorus: Absorbed in the form of phosphate ions. It is a constituent of cell membranes, certain proteins, all nucleic acids and nucleotides.
  • Potassium: Required by meristematic tissues, buds, leaves and root tips. It maintains anion-cation balance in cells, is involved in protein synthesis, opening and closing of stomata, maintenance of turgidity of cells.
  • Calcium: Plays an important role in synthesis of middle lamella, formation of mitotic spindles etc.
  • Magnesium: Essential constituent of chlorophyll and helps in maintaining ribosome structure.
  • Iron: Required in large amounts compared to other micronutrients. It is obtained as ferric ions from the soil.  It is an important constituent of transport proteins, it activates catalase enzyme and is essential for the formation of chlorophyll.
  • Manganese activates many enzymes involved in photosynthesis, respiration and nitrogen metabolism. Its most important role is the splitting of water during photosynthesis.
  • Molybdenum: Important constituent of enzymes of nitrogen metabolism like nitrogenase and nitrate reductase.
  • Chlorine: Helps in determining solute constituent of cells and helps in maintaining its anion-cation balance. It plays important role in the water splitting reaction of photosynthesis.

Mineral Riches in the Soil

Soil minerals are naturally occurring, inorganic substances found in soil, such as sand, clay, and various metal oxides. Minerals in the soil are essential for plant growth and soil fertility. The outermost layer of the earth, known as crust, is covered with a mixture of organic and inorganic material called soil.

Soil serves as a medium for the growth of plants as it is rich in minerals and useful living organisms. The mineral composition of the soil is about 45-50%, organic matter constitutes about 1-5% of it whereas the remaining space is filled with air and water. Soil minerals examples include quartz, feldspar, mica, iron oxides, and calcium carbonate. In this article, we will cover minerals in the soil, their types, uses, and more.

Table of Content

  • What is Soil?
  • Soil Minerals
  • How Minerals Form in Soil?
  • Soil Minerals Types
  • Minerals Present in Soil 
  • Soil Minerals and Their Uses
  • Conclusion – Soil Minerals
  • FAQs on Soil Minerals

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What is Soil?

Soil is the top layer of the Earth’s surface made up of tiny pieces of rock, minerals, organic matter like dead plants and animals, and water. It is where plants grow and where many animals live. Soil comes in different types each with its own characteristics that affect plant growth and the environment....

Soil Minerals

Mineral in the soil is one of the part of soil composition including humus, living organisms, water and air. Minerals are essential substance found in soil. It is the largest component of the soil, making up almost 40% to 45% of the total components. Soil is rich in minerals such as iron, phosphorus, calcium, magnesium, sulphur etc. Minerals constitute the major portion of soil. Minerals are necessary for plant growth and development. The minerals present in soil are absorbed by plants through their roots....

How Minerals Form in Soil?

Minerals in soil are formed through various processes, primarily originating from the breakdown of rocks. Weathering of rocks is a key mechanism in minerals formation. During weathering, minerals within rocks are altered, creating new mineral compositions. Also, minerals can form through the deposition of dissolved substances from water sources, such as rivers or groundwater, which precipitate and accumulate over time. Biological activity, including the decomposition of organic matter by microorganisms also contributes to mineral formation by releasing ions and nutrients into the soil. Overall, the combination of these processes results in the continuous generation and transformation of minerals within the soil profile....

Soil Minerals Types

Soil minerals are of two types: Primary minerals and secondary minerals....

Minerals Present in Soil

Common minerals present in the soil are as follows:...

Soil Minerals and Their Uses

The soil minerals present in the soil have following uses:...

Conclusion – Soil Minerals

In conclusion, soil minerals form a significant portion of soil composition. They include various elements like iron, phosphorus, calcium, magnesium, sulfur, and others, which are vital for plant nutrition and growth. These minerals are of two types: primary minerals, which remain unchanged since deposition, and secondary minerals, formed through weathering processes. Common soil minerals such as hematite, limonite, goethite, gibbsite, and others contribute to soil fertility, pH regulation, and overall plant health. Understanding soil minerals and their functions is essential for sustainable agriculture and environmental management....

FAQs on Soil Minerals

Which Type of Soil is Rich in Minerals?...

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