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Soil

Soil, by definition, is a earthly compound comprised of biotic (living) and abiotic (non-living) matter that is formed in several layers over millions of years. It is the very component of the Earth that plants need to root themselves and grow in in order to feed all animal life. There are many different types of soil across the globe for each continent and biome, and each type has its characteristics that depict what plants can grow where, when, and how. Questions and answers about soil can be asked and answered here.

10,730 Questions

What are the importance of soil animals?

An animal such as the little segmented, tube-like earthworm loosens the soil and aerates it. Such loose, airfilled soil is beneficial for the plants. The earthworm also eats organic matter and deposits it in the soil, thereby enriching it with nutrients that the plants in your garden love!

Is soil a producer?

Soil itself is not a producer in the traditional sense of the term in biology. Producers are organisms, such as plants, algae, and some bacteria, that can create their own food through photosynthesis or chemosynthesis. However, soil does support the growth of producers by providing essential nutrients, water, and physical support for plant roots to thrive. In this way, soil plays a crucial role in the ecosystem as a medium for producers to grow and flourish.

Is soil bacteria producers consumers or decomposers?

Soil bacteria are primarily decomposers, breaking down organic matter in soil. They help to decompose dead organisms and recycle nutrients back into the ecosystem. Some soil bacteria can also act as producers by participating in processes such as nitrogen fixation.

What are heavy soil and light soil?

Heavy soil is dense and holds onto water, making it harder for roots to penetrate and plants to thrive. Light soil, on the other hand, is loose and drains quickly, which can lead to poor water retention and nutrient deficiencies for plants. So basically, heavy soil is like trying to grow plants in a soggy sponge, while light soil is like trying to grow plants in a sieve.

How have the landforms climate and soil affected grain farming?

Landforms can provide different topographies that influence water drainage and soil quality, impacting crop growth. Climate, including temperature and rainfall patterns, determines the crop varieties that can be grown successfully. Soil composition affects the nutrients available to crops and their overall health and yield. Collectively, these factors shape the conditions for grain farming success or limitations in a particular region.

Garden has an area of 24yd and covered in top soil 3inches deep what is the volume of top soil used in yd 3?

Well, isn't that a happy little question! To find the volume of topsoil used, we first need to convert the depth from inches to yards. Since 1 yard is equal to 36 inches, 3 inches is 3/36 = 1/12 yards. Then, we multiply the area of the garden by the depth of the topsoil to find the volume. So, 24 yards (area) multiplied by 1/12 yards (depth) equals 2 cubic yards of topsoil used. Happy gardening!

Why are rocks and soil poor heat sinks?

Rocks and soil are poor heat sinks because the materials they are composed of have only moderate specific thermal capacity and low thermal conductivity. However there is a lot of tonnage out there and heat pumps can be made to extract heat from the soil, but per ton these materials have less heat than water for example.

What is a type of plant that makes seeds inside a cone?

Oh, dude, that's an easy one. So, like, the plant you're talking about is a gymnosperm. They're, like, these cool plants that have seeds in cones instead of, like, flowers. So, next time you see a pine tree or a spruce tree, you can be like, "Hey, look at those gymnosperms over there!"

How far will one inch of rain fall go into the soil?

One inch of rain can penetrate the soil up to several inches, depending on soil type and conditions. In sandy soils, it may penetrate deeper, while in clay soils, it may not penetrate as far due to slower infiltration rates. Generally, it can reach anywhere from a few inches to a foot or more.

What is leaching?

Answer

Leaching means to dissolve and remove.

Answer

Leaching is the loss of soluble nutrients (of plants) from the soil as a result of rain and irrigation.

How is it possible to have leached soils within a few kilometers of calcified soils?

Leached soils typically occur in areas with high rainfall and acidic conditions, which can cause minerals and nutrients to be washed away. On the other hand, calcified soils are formed in arid regions where evaporation exceeds precipitation, leading to the accumulation of minerals like calcium carbonate. The proximity of leached and calcified soils within a few kilometers could be due to local variations in topography, drainage patterns, or geological formations that create microclimates with different soil development processes.

What is calcified soil?

Bone tissue is composed of bone cells (or osteoblasts). Bones are highly dynamic in the sence that they keep alternating between dense and porous states. As the age of the individual advances, the pores become filled with calcuim resulting in what is called a calcified matrix.

This matrix is a good support for growing bone tissue.

What do you call the study of dirt?

The study of dirt is called pedology. It involves the examination of soil in its natural environment to understand its properties, formation processes, and interactions with the surrounding ecosystem.

What substance found in a soil sample collected in an arid region would most likely be absent in a soil sample collected in a humid region?

Oh, dude, let me drop some knowledge on you. So, like, in an arid region, you'd probably find less organic matter in the soil compared to a humid region. It's like, the dry climate doesn't really support the growth of plants and stuff, so there's not as much decaying organic material hanging around. So, yeah, organic matter would be the missing ingredient in the arid soil sample.

Why does sand gets warmer than dirt?

Sand gets warmer than dirt because it has a lower specific heat capacity, meaning it requires less energy to increase its temperature. Additionally, sand has a lower thermal conductivity compared to dirt, which means it retains heat more effectively. This combination of properties allows sand to heat up more quickly and reach higher temperatures than dirt when exposed to the same amount of sunlight or heat.

Why is tropical soil not good for sustained farming?

Tropical soils are often characterized by low nutrient content, high acidity, and rapid depletion of nutrients due to heavy rainfall and high temperatures. This makes it challenging to sustain farming activities because the soil requires frequent fertilization and management to maintain productivity. Additionally, tropical soils are prone to erosion and compaction, further reducing their suitability for sustained farming.

Is soil exhaustible?

Soil is considered a non-renewable resource because it takes thousands of years to form through the weathering of rocks and the decomposition of organic matter. Human activities such as deforestation, overgrazing, and improper agricultural practices can deplete soil faster than it can be replenished, leading to soil erosion and degradation. Therefore, while soil itself is not technically exhaustible, it can be depleted to the point where it becomes unusable for agriculture or other purposes.

What happens to the temperature of equal volumes of soil and water when they are placed in the sunshine for 30 minutes?

both the water and soil heats up but the soil heats up rapidly and the water heats up slowly. If it cools down the soil cools down faster and the water cools down slower.

Which is heavier sand or soil?

depends on what u mean! Do you mean the particle density? Because otherwise the answer is they weigh the same..an ounce is always an ounce, a gram always a gram. Eg 250 ounces of powder is exactly the same weight as 250 ounces of rocks!x

Why remove top soil in building and construction?

Removing topsoil in building and construction is necessary to reach the solid subsoil layer that provides a stable foundation for structures. Topsoil is rich in organic matter and nutrients, making it unsuitable for load-bearing purposes. By removing the topsoil, engineers can ensure that the building's foundation is strong, stable, and less susceptible to settling or shifting over time. Additionally, removing topsoil allows for proper compaction of the subsoil, reducing the risk of structural damage in the future.

Which of soil conservation methods is least used in NJ?

Terracing is one of the soil conservation methods least used in New Jersey. This method involves creating a series of steps or ridges on a slope to reduce erosion. In New Jersey, other methods such as cover cropping and contour farming are more commonly employed to protect soil health.

What are the names of the towns in the hilly sand and clay region?

The towns in the hilly sand and clay region are typically named based on their geographical features or historical significance. Some common names for towns in such regions include Hillcrest, Clayville, Sandstone, and Ridgeview. These names often reflect the natural terrain and composition of the area, providing insight into the town's environment and history.

Do seeds grow better in sand or soil?

Well, friend, seeds can grow in both sand and soil, but soil is generally more nutritious and provides better support for growth. Sand is good for seeds that need well-drained conditions. Remember, each seed is unique, so it's important to consider the specific needs of the plant you're growing. Just believe in the magic of nature, and your seeds will find a way to grow beautifully no matter where they're planted.

What is the relationship between surface area and weathering rate?

  1. The rate of weathering also depends on the surface area that is exposed. Mechanical weathering breaks rocks into smaller pieces. As the pieces get smaller, their surface area increases. When this happens, there is more total surface area available for chemical weathering. The result is that weathering has more of an effort on smaller particles.