Multiple choice

A complete fertiliser is the one that

  1. is commercially manufactured using chemicals

  2. contains all three critical minerals like potassium, phosphorus and nitrogen

  3. adds humus to the soil

  4. contains organic farm waste

  5. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is the correct answer as complete fertiliser is the one that has these three vital elements in it.

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