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Farming can remove nitrogen (N) from soil in two ways:
- plant (crop) uptake, and
- erosion.
Since N is an important plant nutrient, plants will remove it from the soil and incorporate the N into parts of the plant. When plant parts are harvested, that N is being removed from the soil. Plant parts that are left in the field will return a lot of the N contained in those parts to the soil.
In most soils, N will be found at highest concentrations near the surface, in soil organic matter. Many farming practices increase the rate of erosion, and it is those surface horizons high in N that will be lost first.
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Why is the soil of grasslands good for farming?
The soil of grassland is good for farming because the soil is very rich.
What farming practices minimize soil loss?
Terrace farming minimizes soil erosion.
What are the different ways by nitrogen in the air reaches the soil?
Nitrogen can enter the soil from plants such as legumes which fix nitrogen in their roots. Also dead plants and animals add nitrogen into the soil.
What is the transfer of nitrogen from air to soil to organism and back to air and soil?
nitrogen cycle
What is the transfer of nitrogen from air to soil to organism and back to air or soil?
nitrogen cycle.
Modern farming practices speed up the decomposition of matter in soil how might this affect the nitrogen cycle?
how might a modern farming speeding up the decomposition of matter in soil affect the nitrogen cycle
How does Organic Farming help reduce Soil Erosion?
organic farming help to reduce soil erosion .because when its rain or wind .the are material which hold the soil not to be remove
Why farmers moved on after farming an area?
After farming an area for a while, the soil became depleted of nitrogen and became unsuitable for growing. This was solved with crop rotation that meant that farmers would also plant crops that would replenish the nitrogen, like legumes.
Does soil contain nitrogen?
Yes, soil does contain nitrogen.
Why is the soil of grasslands good for farming?
The soil of grassland is good for farming because the soil is very rich.
How can someone increase the nitrogen in the soil?
Lightning increases nitrogen in the soil
Was ancient rome good for farming?
Yes, the climate of Italy was mild (Mediterranean climate) and the soil was fertile (volcanic ash- high in potassium and nitrogen).
What farming practices minimize soil loss?
Terrace farming minimizes soil erosion.
What makes the soil in Indonesia good for farming?
The soil is good for farming because it is fertile
What does not increase the amount of nitrogen in the soil?
It doesn't. Harvesting removes soil nitrogen
Nitrogen in the soil is used by what?
nitrogen in the soil is used by both plants and animals.
What are the different ways by nitrogen in the air reaches the soil?
Nitrogen can enter the soil from plants such as legumes which fix nitrogen in their roots. Also dead plants and animals add nitrogen into the soil.
