how is land getting decorated with the use of chemical fertilizers?
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All the nutrients in our food originally come from the soil. In order to create healthy crops full of nutrients, farmers need to work with healthy soil.
Soils naturally contain many nutrients like nitrogen, phosphorous, calcium, and potassium. These nutrients allow plants to grow. When soil nutrients are missing or in short supply, plants suffer from nutrient deficiency and stop growing. When the nutrient level is too low, the plant cannot function properly and produce the food necessary to feed the worlds’ population.
Once crops are harvested for human consumption, the natural supply of nutrients in the soil must be “re-filled”. This is why farmers add nutrients to their soils. Nutrients can be added from a variety of sources—organic matter, chemical fertilizers, and even by some plants. This maintains the soil fertility, so the farmer can continue to grow nutritious crops and healthy crops.
Farmers turn to fertilizers because these substances contain plant nutrients such as nitrogen, phosphorus, and potassium. Fertilizers are simply plant nutrients applied to agricultural fields to supplement required elements found naturally in the soil. Fertilizers have been used since the start of agriculture. Native American people used crude fertilizers, such as burying a fish in their corn plots, and organic farmers use fertilizer from natural source, such as compost. Most farmers today use fertilizers that are either mined or manufactured.
Regardless of the source of the fertilizer, all plants use the same inorganic forms of fertilizer in the soil. Sometimes the source of nitrogen can be plants called “nitrogen fixers.” Many farmers use crops, such as soybeans and alfalfa (called legumes), that can remove naturally occurring nitrogen in the atmosphere, and place (“fix”) it in the soil for future crops to use.
Fertilizer use is very expensive and can harm the environment if not used correctly. Therefore, before adding fertilizer, farmers send a soil sample to a laboratory for baseline testing. By testing their soil, farmers know which nutrients—and how much—to apply to the soil. If too little is added, crops will not produce as much as they should. If too much is added, or at the wrong time, excess nutrients will run off the fields and pollute streams and groundwater. So, while fertilizers serve an important purpose, farmers must be careful to use the right amount, at the right time, to avoid potential negative effects to the environment.
To stay healthy, humans need to acquire essential nutrients from many different food sources. The demand for food and other products from agricultural systems will increase over the next few decades. This means that we need to keep our soils healthy and full of nutrients in order to feed the growing population.
Soils naturally contain many nutrients like nitrogen, phosphorous, calcium, and potassium. These nutrients allow plants to grow. When soil nutrients are missing or in short supply, plants suffer from nutrient deficiency and stop growing. When the nutrient level is too low, the plant cannot function properly and produce the food necessary to feed the worlds’ population.
Once crops are harvested for human consumption, the natural supply of nutrients in the soil must be “re-filled”. This is why farmers add nutrients to their soils. Nutrients can be added from a variety of sources—organic matter, chemical fertilizers, and even by some plants. This maintains the soil fertility, so the farmer can continue to grow nutritious crops and healthy crops.
Farmers turn to fertilizers because these substances contain plant nutrients such as nitrogen, phosphorus, and potassium. Fertilizers are simply plant nutrients applied to agricultural fields to supplement required elements found naturally in the soil. Fertilizers have been used since the start of agriculture. Native American people used crude fertilizers, such as burying a fish in their corn plots, and organic farmers use fertilizer from natural source, such as compost. Most farmers today use fertilizers that are either mined or manufactured.
Regardless of the source of the fertilizer, all plants use the same inorganic forms of fertilizer in the soil. Sometimes the source of nitrogen can be plants called “nitrogen fixers.” Many farmers use crops, such as soybeans and alfalfa (called legumes), that can remove naturally occurring nitrogen in the atmosphere, and place (“fix”) it in the soil for future crops to use.
Fertilizer use is very expensive and can harm the environment if not used correctly. Therefore, before adding fertilizer, farmers send a soil sample to a laboratory for baseline testing. By testing their soil, farmers know which nutrients—and how much—to apply to the soil. If too little is added, crops will not produce as much as they should. If too much is added, or at the wrong time, excess nutrients will run off the fields and pollute streams and groundwater. So, while fertilizers serve an important purpose, farmers must be careful to use the right amount, at the right time, to avoid potential negative effects to the environment.
To stay healthy, humans need to acquire essential nutrients from many different food sources. The demand for food and other products from agricultural systems will increase over the next few decades. This means that we need to keep our soils healthy and full of nutrients in order to feed the growing population.
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