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Soil nitrates are replaced in various ways. One of the most common ways to replace soil nitrate is by suing synthetic fertilizers.
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∙ 10y ago
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3 Describe two ways in which nitrates can be replaced naturally in the soil?
Nitrates can be replaced naturally in the soil through biological nitrogen fixation, where certain soil bacteria convert atmospheric nitrogen into nitrates. Additionally, cover cropping with leguminous plants can also help replenish nitrates in the soil through the nitrogen-fixing bacteria present in their root nodules.
Why would the level of nitrates in the soil in the beakers increase during an investigation?
The nitrates in the soil in the beakers could increase during an investigation due to the breakdown of organic matter in the soil, the addition of nitrogen-containing fertilizers, or the release of nitrates from decomposing plant material. These factors can contribute to the accumulation of nitrates in the soil over time.
Where do beans get their nitrates from?
They absorb them from the soil where they grow.
Describe how nitrates are leached from the soil?
Nitrates are leached from the soil when excess water percolates through the soil, carrying the nitrates with it deeper into the ground or into water bodies. This process happens when there is heavy rainfall or over-irrigation, and can lead to groundwater contamination if not managed properly.
Why does harvesting crops on farms lower the level of nitrates in the soil?
Harvesting crops removes the plant material that has taken up nitrates from the soil for growth. This reduces the overall amount of nitrates in the soil because the plants are no longer present to continue absorbing nitrates from the soil. Without the plants to utilize the nitrates, the levels decrease over time.
Why do harvesting crops on farm lower the level of nitrates in the soil?
cos d animalz will get less animal protein init nd den dey cnt excrete nd provide ammonia nd sh!t 2 d soil dat makes nitrates init
How do nitrates get in your water systems?
Acid rain contains nitrates, as does some runoff water from fertilized soil.
How is nitrates in the soil return to the atmosphere?
Nitrates in the soil can be returned to the atmosphere through a process called denitrification, where bacteria convert nitrates into nitrogen gas. This occurs in oxygen-deprived conditions, such as waterlogged soil or during decomposition processes. The nitrogen gas is then released back into the atmosphere.
Why does the soil lose nitrates during heavy rain or flooding?
During heavy rain or flooding, excess water can leach nitrates from the soil, washing them away and making them inaccessible to plants. This process is known as leaching, and it occurs because water carries the nitrates deeper into the soil layers or even into nearby water bodies, reducing the amount of nitrates available for plant uptake.
How are nitrates leached from the soil?
Nitrates can be leached from the soil through the process of rainfall or irrigation water moving through the soil, carrying the nitrates with it. This can happen when there is excess nitrogen in the soil from fertilizers or animal manure that is not taken up by plants. Once in the soil, nitrates can easily move downward through the soil profile and potentially contaminate groundwater.
What amount of nitrates increase in the soil?
The amount of nitrates in soil can increase due to factors such as excessive fertilizer application, decomposition of organic matter, or runoff from agricultural activities. This increase in nitrates can lead to water pollution and harm ecosystems if not managed properly.
In what ways do farmers contribute nitrates to the soil?
by using fertilizer
