All About Soil

Lab #2: All About Soil. (45 points). Read These Instructions Carefully:1. Watch the video “All About Soil” on You Tube (12:52min).2. Summarize the video and include key points (for example, definitions with examples) regarding:

  • What is Soil (10 pts)
  • Soil Types and Properties (10 pts)
  • Soil and Plants (10 pts)
  • Soil and Worms (10 pts)
  • Uses for Soil (5 pts)

Most students enjoy this video. Please show pride in your work by responding thoroughly!



Soil is a complex and important material that can be found in nature, and this video explains all about it. From defining what soil is and its characteristics and composition, to discussing soil types and properties such as texture, structure, porosity, and pH, to examining the relationships between soil and plants and soil and worms, to discussing the uses of soil such as in agriculture, landscaping and controlling erosion, this video covers all of the essential information to understand this fascinating substance.
Soil is an essential component of the environment and plays a critical role in sustaining plant and animal life. According to CAM Ferreira, JAC Ponciano, DS Vaitsman et al. (2007), soil is defined as the uppermost layer of the Earth’s surface formed by the physical, biological, and chemical interaction of air, water, and minerals. It is composed of three main components: minerals, organic matter, and organisms. Minerals constitute the most abundant component of soil; they are often derived from the weathering of rocks, sediment, and other sources. Organic matter, the second component of soil, is composed of the remains of plants, animals, and other organisms that have decomposed over time. Finally, the third component of soil is organisms, which include bacteria, fungi, worms, and other living organisms that help to break down organic matter and form new nutrients. All three components of soil are essential to maintaining soil fertility and quality and play a major role in crop yield, nutrition, and climate.
Soil type and properties are essential indicators of the health of an agricultural ecosystem. As stated by S Gul et al. (2015), “Soil type and properties are important components of the agricultural ecosystem”. Analysing the texture, structure, porosity, and pH of the soil can provide important insights into the fertility of the soil and identify the best type of crop suited for the area. The texture of the soil, which is the proportion of sand, silt, and clay particles, affects the ability of the soil to absorb and hold moisture and nutrients. The structure of the soil, which is the arrangement of the soil particles, determines the amount of air and water present in the soil. Porosity of the soil, which is the ratio of the total volume of pores to the total volume of the soil, affects the water-holding capacity. Finally, the pH of the soil, which is the measure of acidity or alkalinity, affects the availability of essential nutrients to the plants. Thus, it is essential to understand the soil type and properties in order to properly manage an agricultural ecosystem.
Soil is a versatile and valuable resource that can be used for a variety of purposes. One of the main uses of soil is in agriculture, as soils provide a medium for growing crops and plants. Soil’s physical and chemical properties also influence the health and productivity of crops, as evidenced by Hubbart and Gebo (2010) who found that soil’s structure, texture, and composition can all affect the physical and chemical environment of the soil. Additionally, soil can be used for landscaping purposes, such as helping to shape hills and valleys to create aesthetically pleasing scenes. The soil’s composition and structure can also be manipulated to create a more hospitable environment for plants, as different plants may require different soil types. Finally, soil can also be used to control erosion. Soil particles can bind together to form a stable surface that prevents water and wind from eroding away the underlying soil. Hubbart and Gebo (2010) showed that different soils have different erosive capabilities and that soil’s physical and chemical properties can be manipulated to help control erosion. In summary, soil can be used for a variety of purposes, from agriculture to landscaping to controlling erosion, and its physical and chemical properties can be utilized to create the desired effect.
In conclusion, the video provides a comprehensive overview of soil, its types, and its many unique properties and their impact on plants, worms and myriad of other uses. Soil is a mixture of mineral particles, decomposed plant matter, air and water, and its various properties determine which plants can grow and what kind of worms can thrive in it. This can range from well-drained coarse soils which are great for seeping water but poor for vegetation to clay soils which are ideal for growing a variety of plants, but are not ideal for drainages. Furthermore, the video demonstrates that soil is an essential component of many aspects of human life, not just agriculture. In addition to providing the roots of many plants, soil can also be used in crafts and cooking to name just a few uses. While the video gives us plenty of insight into the importance of soil, it also reveals just how complex and interesting the world of soil is.

Work Cited

S Gul., JK Whalen., BW Thomas.”Physico-chemical properties and microbial responses in biochar-amended soils: mechanisms and future directions.”
JA Hubbart.”Quantifying the Effects of Land Use and Erosion.”
“Evaluation of the corrosivity of the soil through its chemical composition.”


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