Multiple choice

Complete fertilisers provide important elements to the plants. These elements are

  1. microelements

  2. macroelements

  3. critical elements

  4. framework elements
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Plants require 16 essential elements. Essential means that these nutrients must be present for proper crop development. If not available, the plant will eventually die. Not all elements are essential. Flouride and iodine, for example, are two chemical elements which have no value for plant growth. 

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