Nutrients in soil
From rocks and from remains.
Rich soil
Soil is rich in nutrients like nitrogen and potassium. Plants need them to grow.
Where do these nutrients come from?
What this lesson covers
The idea
Soil is rich in nutrients such as nitrogen and potassium that plants need, and these come from the slow breakdown of rocks and of the remains of plants and animals.
Rich soil
Soil is rich in nutrients like nitrogen and potassium. Plants need them to grow.
Where do these nutrients come from?
- From the slow breakdown of rocks and the remains of plants and animals
- From the Sun
- From the Moon
Nutrients to the soil
Press Next step.
Soil's nutrients
Soil may look like simple dirt, but it is rich in nutrients like nitrogen and potassium that plants need. These nutrients come from the slow breakdown of rocks and the remains of plants and animals.
Soil is rich in nutrients such as nitrogen and potassium. They come from the slow breakdown of rocks and of the remains of plants and animals.
Notes
Soil nutrients come from rocks and remains breaking down slowly.
Check yourself
Two nutrients plants need from soil are …
Soil nutrients come from the slow breakdown of …
Who needs nutrients from the soil?
Soil is part of the …
- sunlight and heat. Nitrogen and potassium are nutrients.
- nitrogen and potassium — correct. Yes!
- iron and brass. Nitrogen and potassium are nutrients.
- clouds. They come from rocks and remains.
- the Moon. They come from rocks and remains.
- rocks and the remains of plants and animals — correct. Yes!
- Plants — correct. Yes!
- Rocks. Plants need nutrients to grow.
- Clouds. Plants need nutrients to grow.
- hydrosphere. Soil is solid, so it belongs to the geosphere.
- geosphere — correct. Yes!
- atmosphere. Soil is solid, so it belongs to the geosphere.