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Kids learn about the Earth science subject of soil including how it is formed, properties, horizons, layers, topsoil, bedrock, and facts about soil.

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when rocks hit each other and last a long time it will be soil

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does soil have lots of kinds of colors

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I don't know how does soils have lots of nutrients

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Foss Web

https://www.fossweb.com/

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Science Kids

http://www.sciencekids.co.nz/

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I wonder why soils have nutrients and why the amount of the nutrients change by where the soils are. Not like cactus, soils doesn’t elaborate.

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It has lots of nutrients for plants

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How can we save soil?

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How can soil can be good for us?

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Soil helps plants to grow.

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Soil is really important. There are different kinds of soil

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https://www.leafly.com/news/growing/building-organic-soil-for-cannabis

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Animals live in soil.

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Trevor Hennings and Patrick Bennett contributed to this article.

If you're thinking about getting started in the exciting world of organic cannabis cultivation, you're going to want to learn a thing or two about the soil you plan to use. After all, a proper organic substrate is quite possibly the most important and often most overlooked aspect of the entire cultivation process.

When we think of soils, a pre-mixed plastic bag often comes to mind. Admittedly, it's pretty easy to just dish out $20-$30 for a bag to start your grow. Many of these pre-mixed "super soils" are, in fact, organic and act as a terrific starting point for novice gardeners.

However, building your own soil at home can be just as easy, cost-effective, and accessible as buying a pre-mixed back at the store. Creating your own super soil will also teach you a few great tips on soil science and how the component of your substrate will effect the outcome of your cannabis grow.

In the first part of our organic super soils series, we'll explain they are and why they're important for your cannabis, plus we'll share some handy steps to consider when building organic soil for your grow.

What Is an Organic Super Soil?

The key factor in organics is soil life. A proper organic soil, in the words of famed organic soil scientist Jeff Lowenfels, is "teaming with life." To put this into perspective, a shot glass filled with a proper organic soil will contain more individual living organisms than humans that inhabit the planet. That's a lot of life!

Each organism within this habitat serves it purpose in the web of life (sometimes also referred to as a soil food web). This web is not only virtually self-sustaining, it also has the capabilities to both convert and provide readily available nutrients to your plants. Maintaining an organic cannabis garden grown in super soil may require little to nothing more than adding water. Take that, synthetic nutrients!

The term"super soil" has been floating around the organic cannabis community for some time now. Its origin dates back to when organic cultivation practices were just beginning to make their way into the canon of cannabis grow methodology. Perhaps the undisputed king of organic super soils is Subcool of TGA Genetics, who a few years back posted his super soil recipe in a High Times article. Since then, his recipe has served as the de facto totem for the organic cannabis cultivation community. Virtually every subsequent article on organic super soils references SubCool's soil recipe, and for good reason: it works.

4 Steps to Building Organic Soil for Cannabis

Growing cannabis organically allows growers to raise a high-quality product without the interference of chemical nutrients that can burn or kill the plants. To create a soil that provides the perfect environment, you'll need a basic primer on how best to work with it and what nutrients are required to help your plants thrive. It's important to truly understand what you want in your soil so that you can produce your own custom blend that costs less and contains all essential nutrients.

Follow these steps to better understand what makes ideal soil and how to build it in your own cannabis garden.

Step 1: Know What's in Your Soil

To build a quality soil, you first need to know what's in it to begin with. When buying soil, you'll see a list of ingredients and information on what nutrients are readily available in it. If you're hoping to use soil that is already in your garden or being taken from another source, it's impossible to readily know what is actually in that soil. To remedy this problem, you can submit a soil test that will give you a base understanding of what nutrients it contains.

Additionally, you can work your hands through the soil and get to know it. Is it compact or fluffy? Is it sandy or claylike? Does it hold moisture or is it dry? Are there worms and insects present? These are all things you can consider by simply using sight and touch.

Step 2: Find the Right Soil Amendments

Once you've gotten to know your soil's nutrient levels and texture, it's time to add any necessary soil amendments. The basic building blocks for plants are based around N-P-K. This stands for nitrogen (N), phosphorus (P), and potassium (K). To build a strong healthy soil, it should have these nutrients readily available for your plants to absorb.
Nitrogen-Rich Nutrients: 1. Worm Castings
Providing a quick-release source of nitrogen for your plants while also introducing healthy bacteria, worm castings contain many micronutrients depending on where they are sourced from.
2. Crustacean Meal
A little slower to release than worm castings, crustacean meal adds nitrogen, phosphorus, calcium, and chitin to your soil. Chitin-eating microbes will help keep nematodes at bay.
3. Bat Guano
Bat guano provides the highest levels of nitrogen and phosphorus of all these listed nitrogen amendments. It does wonders for sustained plant growth while diversifying the soil's bacteria and microbes.
Phosphorus-Rich Nutrients: 1. Bone Meal
Bone meal generally comes from cattle bones, and it helps to keep phosphorus levels up. Keep in mind that your soil needs to be at a pH below 7 for bone meal to be most effective.
2. Chicken Manure
Chicken manure is a great way to introduce both phosphorus and nitrogen. Choose a high-quality manure that is fully processed and make sure to amend the manure into your soil with enough time to let hot manure cool off.
3. Rock Dust
Rock dust is a very slow-releasing phosphorus source that can be effective in soil for years, but it does not perform well in soils with a pH above 7.
Potassium-Rich Nutrients: 1. Kelp Meal
Kelp meal is a great source of potassium that promotes microbial diversity in the soil. A water-soluble amendment, kelp can be applied with water or by hand directly into the soil.
2. Wood Ash
Wood ash can be used to increase the potassium levels in your soil, but be aware that it generally raises the pH so make sure to test your soil's pH levels regularly.
3. Compost
Your compost bin can be an excellent source of potassium for your garden, especially if it contains fruit rinds and banana peels.

These three basic N-P-K amendments are most important, but there are also micronutrients that will help your plants grow. Products like gypsum, azomite, and kelp meal can add many micronutrients to strengthen your soil. When it comes to soil, a wide diversity of nutrients can introduce nuanced flavors, aromas, and effects in your end product.

You should also consider amendments that change the soil's density, airflow, and ability to hold water. For example, perlite and peat moss can improve drainage and water retention. Introducing a healthy worm population and fungal colonies will also help fluff up the soil, thus improving its structure. A healthy soil maintains itself, and living organisms both reap and share the benefits of a healthy soil with your cannabis plants.

Step 3: Mix Your Soil

To till your soil, apply the amendments and start digging or use a rototiller. It takes time, but make sure everything is adequately mixed and that all corners of the pot or bed have been reached.

Once you've mixed everything in, water your soil to help cool any added manure. This process should be repeated every few days until the soil is cool to the touch when you bury your hand. At this point, the soil is ready for your seeds or clones.

Though tilling your soil is necessary for your first year as a gardener, it's up for debate whether or not tilling annually is beneficial. The argument against tilling is that it breaks down a complex network of mycelium, worm tunnels, and cavities created by beneficial organisms in the soil. However, by tilling your soil annually, you can easily add amendments and break down cover crops, thus making sure all the nutrients in the soil are mixed and readily available.

Still not sure whether to till or not to till? Try analyzing soil samples at the beginning and end of the season to determine whether or not annual tilling benefitted your garden in the end.

Step 4: Prepare Your Soil for the Next Season

To protect your soil for the next season, remove the stalks and roots of the previous cannabis plants; you can compost and re-apply them to your soils once they've decomposed.

Next, introduce a cover crop to your soil to help maintain it during winter. Common crops include legumes or radishes. Legumes sequester and preserve nitrogen while radishes have long taproots that help aerate and free up deep, compacted soils. These cover crops need to be destroyed before they go to seed. This can be accomplished by tilling or cover mowing to kill the plants.

In the offseason, you can add nutrients back to your garden by top dressing the soil. Adding compost, manure, and other amendments and allowing rainfall to bring the nutrients into the soil is a great way to improve the soil quality in the offseason without having to do much work.

Building your own soil is a rewarding investment that will only strengthen your understanding of gardening and how plants grow and thrive. With quality soil, you will find the need for liquid feeding to be greatly reduced, saving you time and money. You'll also find that the soil becomes a sanctuary for other living things as you improve the environment surrounding your garden.

In Part 2 of our Super Soils series, we'll share a simple recipe you can build at home for your cannabis grow.

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What Is Super Soil and How Do You Make It? | Leafly

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Trevor Hennings and Patrick Bennett contributed to this article. If you're thinking about getting started in the exciting world of organic cannabis cultivation, you're going to want to learn a thing or two about the soil you plan to use.

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https://www.jimsmowing.co.nz/2016/03/07/what-are-the-best-plants-for-clay-soils/

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For many homeowners who love working on their garden, clay soil isn't typically met with much enthusiasm. The general impression is that clay can be quite difficult to work with and that only a few plants can successfully grow in it.

For the most part, these can be true - but only if the clay soil is improperly handled. With the right knowledge and technique, your garden can actually flourish even if you have clay soil.
Here are some key tips for properly preparing clay soils:

Work with clay soil only when it is damp - never while wet or very dry. The structure will only yield lumps of mud (when wet) or turn into a mass of dust (when too dry).

Never use a rotary hoe to work clay soils because it will create a hard layer beneath the surface.

Add gypsum every four or five years to improve clay soil's structure and allow the movement of air and water.

Apply organic materials like humus and soil microbes (fungi and bacteria) to nourish clay soils.

Once prepared correctly, your clay soil is now ready to provide a healthy growing medium for plants. Below are some of the best plants for clay soils:

Acacia fimbriata. Also known as the Brisbane golden wattle, this bushy shrub or small tree produces clusters of ball-shaped flowers with a pleasant scent.

Banksia "Giant Candles." This plant produces orange flower spikes that can grow up to 40 centimetres long.

Callistemon "Little John." This boasts blue-green foliage and can reach a height of 1.5 metres.

Calytrix tetragona. The plant yields bright green foliage and white to deep pink star-shaped flowers during spring.

Dianella revoluta. This is known for flax-shaped leaves, bright blue flowers, and globular fruit in a deep blue shade.

Eucalyptus cinerea. Also called "Argyle Apple," this small to medium sized tree shows reddish-brown to greyish-brown fibrous bark and distinctive dense silver-blue foliage that is highly attractive.

Grevilla x gaudichaudii. This plant is a vigorous-growing groundcover. Its leaves are oak-shaped and its flowers are deep red and appear like toothbrushes.

Hardenbergia violacea. This is a trailing plant that can be used as a climber for covering fences. The pea-shaped flowers that emerge in the spring range from white to pink to purple.

Indigofera australis. This is an open spreading shrub that produces blue-grey foliage and mauve pink pea-shaped flowers in sprays.

Westringia fruticosa. This hardy coastal plant shows off blue-green foliage and white flowers all year round.

Xerochrysum bracteatum. Also known as Dragon Hill Monarch, this plant has large grey-green leaves and produces large flower heads during spring, summer and autumn. Its everlasting flowers are white through bright yellow.

If you need a hand in the garden, don't hesitate to call Jim's Mowing on 0800 454 654 or book online for a free, no-obligation quote!

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What Are the Best Plants for Clay Soils? - Jim's Mowing NZ

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For many homeowners who love working on their garden, clay soil isn't typically met with much enthusiasm. The general impression is that clay can be quite difficult to work with and that only a few plants can successfully grow in it. For the most part, these can be true - but only if the clay ...

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What is soil?

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What if soil runs out?

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http://world.time.com/2012/12/14/what-if-the-worlds-soil-runs-out/

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Getty Images

This is a "what if" interview from the World Economic Forum's Risk Response Network. To view the rest of the series, click here.
It's a strange notion, but some experts fear the world, at its current pace of consumption, is running out of useable topsoil. The World Economic Forum, in collaboration with TIME, talked to University of Sydney professor John Crawford on the seismic implications soil erosion and degradation may have in the decades to come.
Is soil really in danger of running out?
A rough calculation of current rates of soil degradation suggests we have about 60 years of topsoil left. Some 40% of soil used for agriculture around the world is classed as either degraded or seriously degraded - the latter means that 70% of the topsoil, the layer allowing plants to grow, is gone. Because of various farming methods that strip the soil of carbon and make it less robust as well as weaker in nutrients, soil is being lost at between 10 and 40 times the rate at which it can be naturally replenished. Even the well-maintained farming land in Europe, which may look idyllic, is being lost at unsustainable rates.
Why haven't we heard more about this?

Probably because soil isn't sexy. People don't always think about how it's connected with so many other things: health, the environment, security, climate, water. For example, agriculture accounts for 70% of our fresh water use: we pour most of our water straight onto the ground. If soil is not fit for purpose, that water will be wasted, because it washes right through degraded soil and past the root system. Given the enormous potential for conflict over water in the next 20-30 years, you don't want to exacerbate things by continuing to damage the soil, which is exactly what's happening now.

( MORE: Feeding the Planet Without Destroying It)
How does soil erosion happen?
Soil is a living material: if you hold a handful of soil, there will be more microorganisms in there than the number of people who have ever lived on the planet. These microbes recycle organic material, which underpins the cycle of life on earth, and also engineer the soil on a tiny level to make it more resilient and better at holding onto water. Microbes need carbon for food, but carbon is being lost from the soil in a number of ways. Simply put, we take too much from the soil and don't put enough back. Whereas the classic approach would have been to leave stubble in the field after harvest, this is now often being burnt off, which can make it easier to grow the next crop, or it's being removed and used for animal feed. Second, carbon is lost by too much disturbance of the soil by over-ploughing and by the misuse of certain fertilizers. And the third problem is overgrazing. If there are too many animals, they eat all the plant growth, and one of the most important ways of getting carbon into the soil is through photosynthesis.
What happens if this isn't addressed?
There aretwo key issues. One is the loss of soil productivity. Under a business as usual scenario, degraded soil will mean that we will produce 30% less food over the next 20-50 years. This is against a background of projected demand requiring us to grow 50% more food, as the population grows and wealthier people in countries like China and India eat more meat, which takes more land to produce weight-for-weight than, say, rice.

Second, water will reach a crisis point. This issue is already causing conflicts in India, China, Pakistan and the Middle East and before climate change and food security really hit, the next wars are likely to be fought over unsustainable irrigation. Even moderately degraded soil will hold less than half of the water than healthy soil in the same location. If you're irrigating a crop, you need water to stay in the soil close to the plant roots. However, a staggering paper was published recently indicating that nearly half of the sea level rise since 1960 is due to irrigation water flowing straight past the crops and washing out to sea.
Who will be impacted the most?
Soil erosion is most serious in China, Africa, India and parts of South America. If the food supply goes down, then obviously, the price goes up. The crisis points will hit the poorest countries hardest, in particular those which rely on imports: Egypt, for example, is almost entirely dependent on imports of wheat. The capacity of the planet to produce food is already causing conflict. A lot of people argue that food price hikes caused the Arab spring, and may even have contributed to the recent violence following the release of an anti-Islam film.

( MORE: Food Fight! Stores, Producers, Consumers Battle over High Food Prices)
What about richer countries?
They will have to deal with more refugees fleeing from truly desperate situations. Then there's the fact that this is happening at a time of economic difficulty in the West, with growing disparities across society and some people already having to resort to charity to feed themselves. The connection here with health is significant. Cheap food tends to be low in protein and high in carbohydrate, which is exactly the wrong balance for a healthy society. By reducing food to a mere commodity, we have created a system that is degrading the global capacity to continue to produce food, and is fuelling a global epidemic of diabetes and related chronic disease. Obesity in the US cost 150 billion dollars - 20% of the health budget - in 2008, the latest figures available, and this huge cost will rise as the broken food system takes its toll.
Why is the food system broken?
The big picture is that the amount of land per person has been shrinking over the last 100 years: we now have about a quarter of a hectare per person on the planet and we're using half of the total land area on the globe for agriculture. If you think of that little quarter hectare, we're asking more of it than ever before, largely because of population and the modern diet, which is totally inappropriate. Governments have not got this right. We're subsidising unsustainable food production systems at the cost of our health and our environment. Soil is not costed into food, which means that farmers don't have the financial capacity to invest in their soil to turn the situation around. Crop breeding is exacerbating this situation. Modern wheat varieties, for example, have half the micronutrients of older strains, and it's pretty much the same for fruit and vegetables. The focus has been on breeding high-yield crops which can survive on degraded soil, so it's hardly surprising that 60% of the world's population is deficient in nutrients like iron. If it's not in the soil, it's not in our food.
What should be done about this?
Significant progress is technically quite straightforward. There's a lot we can do, we just have to choose to do it and provide the right support where it is needed. First-off I'd focus on getting carbon back into the soil, by reversing bad farming practices like tillage, nutrient mismanagement, removing stubble and over-grazing. We can add manure and consider using human waste from cities as fertiliser, instead of just flushing it all out to sea.

In the longer term, breeding targets need to focus more on human nutrition as well as productivity, and on traits that improve the soil. We need to find new ways of bringing together scientists and farmers to harness the expertise of both. From a policy standpoint, probably the most important thing is to find pricing mechanisms that take into account the environmental, health and other costs of a broken system. Farmers need to be appropriately rewarded for regenerating the environment and producing food that supports a healthier society.

Finally we need to recognise that this is a global problem that would benefit from a global approach. We don't need to reinvent the wheel in each country, and we don't have time to do so. It takes decades to regenerate soil. I find it quite ironic that while the Mars Curiosity Rover is poking around looking for life in Martian soil, we're in the process of extinguishing life in our own.

MORE: Climate Change and Farming: How Not to Go Hungry in a Warmer World

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This is a "what if" interview from the World Economic Forum's Risk Response Network. To view the rest of the series, click here. It's a strange notion, but some experts fear the world, at its current pace of consumption, is running out of useable topsoil.

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You can put different seeds in soil and the seeds grow

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Can we make soil?

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https://study.com/academy/lesson/what-is-soil-definition-structure-types.html

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Is soil iportant

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http://www.encyclopedia.com/earth-and-environment/ecology-and-environmentalism/environmental-studies/soils

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how is soil made?

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we can mix soil and water to make mud.there could be worms, and other insectsliving in soil.

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soil help to grow plants

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Plants and animals need soil to live

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http://easyscienceforkids.com/all-about-soil/

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Plants live in soil.

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http://www.ducksters.com/science/earth_science/soil_science.php

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Can we touch soil?

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Why dowe have soil?

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can soil be used for anything else

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Why is soil brown

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soil is made up of little pieces of dirt and water.

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soil is a rich substance used to grow plants

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What is soil made out of?

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Inside soil there are there is ants and worms and more creatures live inside soil

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Things can be composed into soil by worms or a few years later it can turn into soil

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what else can soil do

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soil helps plants

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http://www.soils4kids.org/about

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Is all soil the same or are there different types?

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https://www.nrcs.usda.gov/wps/portal/nrcs/detail/soils/edu/?cid=nrcs142p2_054280

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can we eat soil

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Soil and Dirt

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Our school is built on top of soil

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https://www.britannica.com/science/soil

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All About Soil | Soils 4 Kids

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http://www.soils4kids.org/about

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How do nutrients get into the soil?

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Are soil and dirt the same thing?

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the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles.  google dictionary

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Can you put Earth soil in different planets?

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how can soil help plants

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can soil melt?

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Soil has nutrients to help plants grow.

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what is difference between dirt and soil

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Soils have nutrition for plants that helps plants grow.

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soil can be made of many different types of materials.

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soil is similer to dirt.

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can soil change colors

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soil is smooth

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soil is somewhat like dirt