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Over-application of chemical fertilisers or application of chemical fertilisers at a time when the ground is waterlogged or the crop is not able to use the chemicals, can lead to surface runoff or leaching into groundwater Storage and application of some fertilisers in some weather or soil conditions can cause emissions of the greenhouse gas nitrous oxide (N2O) primarily associated with the use of artificial fertilisers, because of the massive quantities applied and the destructive nature of chemical fertilisers on soil nutrient holding structures The high solubility of chemical fertilisers also exacerbates their tendency to degrade ecosystems
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Why are farmers using organic methods to grow their crops nowadays?
Farmers are adopting organic methods to grow crops due to increasing consumer demand for chemical-free and environmentally sustainable products. Organic farming can also improve soil quality, promote biodiversity, and reduce pollution compared to conventional farming practices. Additionally, some farmers see organic farming as a way to promote long-term sustainability and resilience in their operations.
Why should farmers stop taking water from the Murry Darling River?
Farmers should reduce water extraction from the Murray Darling River to protect the ecosystem, as excessive extraction can harm native wildlife, vegetation, and overall river health. Sustainable water management practices are necessary to ensure the long-term health of the river system and to maintain water security for future generations.
What are the benefits and risks of biomass?
Benefits of biomass include being a renewable energy source, reducing greenhouse gas emissions, and providing income to farmers by growing biomass crops. However, risks include competition for land with food crops, deforestation if not managed sustainably, and potential air pollution if not burned cleanly.
Why is selective breeding useful for farmers?
Selective breeding allows farmers to produce plants and animals with desirable traits such as higher yields, improved disease resistance, or better quality products. This can help increase productivity, efficiency, and profitability in farming operations. Additionally, it helps farmers adapt to changing environmental conditions and market demands.
How do farmers use genetics to produce better livestock?
Farmers use genetics to produce better livestock by selectively breeding animals that exhibit desirable traits such as high milk production or disease resistance. By identifying animals with superior genetics and breeding them with other top performers, farmers can improve the overall quality and productivity of their livestock over successive generations. This process helps ensure that offspring inherit the desired traits and helps farmers achieve their goals for herd improvement.
Should farmers be exempt from pollution laws?
Certainly not. Agriculture is responsible for a huge amount of pollution; fertilisers and pseticides run into rivers and streams, and cattle and livestock produce huge volumes of gas and introduce yet more waste into the water system.
Sources of domestic industrial and agricultural wather pollution?
Domestic pollution is caused by landfill waste seeping into the groundwater flow. Agricultural pollution comes from farms. It occurs when the farmers spray their land with pesticides and fertilisers which then run off the land when its raining , into nearby water sources . This pollutes the water and the marine life living in it. :)
Effect on natural resources when some farmers use too much chemical fertilizers to replenish soil fertility?
Excessive use of chemical fertilizers can lead to nutrient runoff into water sources, causing water pollution and eutrophication. It can also harm soil organisms and reduce biodiversity. Over time, soil quality may decline as a result of chemical buildup and decreased organic matter content.
What are some methods farmers use to keep their soil healthy and productive?
they use soil and plant food. also fertilisers
What are used by farmers to make their crops grow well?
Fertilisers are commonly used. These are often high in Nitrogen compounds, especially ammonia.
How do lakes become eutrophic?
Eutrophication Eutrophication is usually the result of fertilisers being washed into a body of water e.g. lake or river. 1) farmers add fertilisers (containing nitrates and Phosphates) to their crops to help them grow. 2)Heavy rain washes the fertilisers off and the nitrates and phosphates dissolve. 3) The nitrates and phosphates that aren't taken up by plants are washed into a stream or river. 4)The high concentrations of phosphates and nitrates encourage rapid plant and algae growth. 5) surface plants (in the body of water) block sunlight. so plants in the water can't photosynthesize and die (so no more oxygen is being made through photosynthesis.) 6) the decomposing bacteria that break down the dead plants thrive (because of all the dead plants) and use up more oxygen. 7) oxygen concentrations in the water decreases and animals (e.g. fish) die due to lack of oxygen.
What are disadvantages of land pollution to human?
land pollution causes soil damage .This would affect the farmers.
What are the ways to prevent eutrophication?
Eutrophication poses a problem not only to ecosystems, but to humans as well. Reducing eutrophication should be a key concern when considering future policy, and a sustainable solution for everyone, including farmers and ranchers, seems feasible. While eutrophication does pose problems, humans should be aware that natural runoff (which causes algal blooms in the wild) is common in ecosystems and should thus not reverse nutrient concentrations beyond normal levels.
Why do farmers use ammonia nitrate on their Fields?
Farmers use ammonium nitrate as a source of nitrogen for plants, which is an essential nutrient for plant growth. It helps improve soil fertility, promotes healthy crop development, and increases crop yields. However, it is important to use it responsibly, as excessive application can lead to environmental issues such as water pollution.
How does land pollution affect humans?
I think that land pollution affect farmers more because the plants would die, but I am not sure this is a guess. I am doing a assignment on Pollution if anyone has any better answers please be welcome to answer I think that land pollution affect farmers more because the plants would die, but I am not sure this is a guess. I am doing a assignment on Pollution if anyone has any better answers please be welcome to answer
Why do nitrates contaminate many wells in agricultural areas?
Nitrates are used as agricultural fertilisers and being soluble, if overused, the excess nitrates end up contaminating the local groundwater. Most farmers have tended to overuse fertilizers.
Why do farmers use Fertilisers?
Farmers use fertilizers to provide essential nutrients to the soil that may be lacking naturally. This helps to improve crop yield, quality, and overall plant health. Fertilizers can also help to correct nutrient deficiencies and ensure that crops have the necessary nutrients for growth.
