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Questions and Answers
Which law is in accordance with the concept that the absence of certain elements affects a plant's normal life cycle?
Which law is in accordance with the concept that the absence of certain elements affects a plant's normal life cycle?
- Avogadro's law
- Charles's law
- Boyle's law
- Justus von Liebig’s law of the minimum (correct)
Which elements are absorbed from the air by plants?
Which elements are absorbed from the air by plants?
- Carbon, oxygen, and hydrogen (correct)
- Calcium, sulfur, and magnesium
- Iron, boron, and chlorine
- Nitrogen, phosphorus, and potassium
In what form do plants absorb essential mineral nutrients from the soil?
In what form do plants absorb essential mineral nutrients from the soil?
- Compounds
- Molecules
- Ions (correct)
- Particles
In what quantities are micronutrients present in plant tissue?
In what quantities are micronutrients present in plant tissue?
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Which group of nutrients contribute to over 95% of a plant's entire biomass on a dry matter weight basis?
Which group of nutrients contribute to over 95% of a plant's entire biomass on a dry matter weight basis?
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Study Notes
Plant Nutrition
- The law of the minimum is in accordance with the concept that the absence of certain elements affects a plant's normal life cycle.
- Plants absorb oxygen, carbon dioxide, and water from the air.
- Plants absorb essential mineral nutrients from the soil in the form of ions.
- Micronutrients are present in plant tissue in small quantities, typically in the range of 0.1-100 ppm (parts per million).
- Macronutrients, which include carbon, oxygen, hydrogen, nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur, contribute to over 95% of a plant's entire biomass on a dry matter weight basis.
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