Which of the following is an organic fertilizer?

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Multiple Choice

Which of the following is an organic fertilizer?

Explanation:
Organic fertilizers come from natural materials that feed soil life and release nutrients gradually. Worm castings are the product of earthworms and are rich in organic matter, nutrients bound in organic forms, and beneficial microbes. This combination improves soil structure and microbial activity, which is the hallmark of organic fertilizers. The other options are inorganic fertilizers—urea, ammonium sulfate, and potassium chloride are mineral salts produced to supply specific nutrients quickly and don’t add organic matter or boost soil biology in the same way. Worm castings is the organic option.

Organic fertilizers come from natural materials that feed soil life and release nutrients gradually. Worm castings are the product of earthworms and are rich in organic matter, nutrients bound in organic forms, and beneficial microbes. This combination improves soil structure and microbial activity, which is the hallmark of organic fertilizers. The other options are inorganic fertilizers—urea, ammonium sulfate, and potassium chloride are mineral salts produced to supply specific nutrients quickly and don’t add organic matter or boost soil biology in the same way. Worm castings is the organic option.

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