Biology · Plant Nutrition
According to Arnon and Stout's criteria, an element is classified as an 'essential nutrient' for plants if it is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Required only when plants are cultivated in an artificial hydroponics system
- 2Required exclusively during the transition stage from vegetative to flowering
- 3Absolutely indispensable for the plant to complete its normal vegetative and reproductive life cycle✓
- 4Highly beneficial to growth but not strictly required to complete reproduction
Correct answer
Absolutely indispensable for the plant to complete its normal vegetative and reproductive life cycle
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