fertilisers are .............. manufactured in factories.
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Primary fertilizers include substances derived from nitrogen, phosphorus, and potassium. ... When ammonia is used as the nitrogen source in a fertilizer, one method of synthetic production requires the use of natural gas and air. The phosphorus component is made using sulfur, coal, and phosphate rock.
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Primary fertilizers include substances derived from nitrogen, phosphorus, and potassium. ... When ammonia is used as the nitrogen source in a fertilizer, one method of synthetic production requires the use of natural gas and air. The phosphorus component is made using sulfur, coal, and phosphate rock.
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