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When you mix soil and water you get mud
Plants use nitrogen in the form of nitrates. Nitrogen is essential in a healthy soil because plants use it in the form of an important nutrient.
Water and soil makes mud. Mud can be used in many things like building homes in the desert, skin therapy, recreational purposes such as testing 4x4's, wrestling and jumping into mud pits.
by using fertilisers.
add lime...
Nitrogen.
Poor soil management can lead to soil erosion, nutrient depletion, and desertification.
in nature, decaying plant parts add nutrients to soil, while plant roots take some nutrients out of the soil.
Maintaining the fertility of soil by preventing erosion and nutrient loss is called soil conservation.
to increase the soil nutrient is to get fertilizer and put it in the soil to get fertilizer you could get it from many stores like the home depot or lowe.
They can test the soil for its acidity and alkalinity and either correct the pH level or grow plants that are appropriate. They can test the levels of nutrient in the soil and add appropriate fertilising material.
irrigating because you can clearly see that soil is nutrient and healty
Chalk is sometimes added to soil to raise the pH of acidic soils. Calcium, the primary component of chalk, is also an important secondary nutrient for healthy crop growth.
Silty soil is usually nutrient rich.
grasslands have deep, dark, nutrient soil
Soil Conversation
its called floculation - adding lime decreases acidity