PO 5. List chemical uptake forms for each macronutrient.

• Nitrogen: nitrate (NO₃^-) and ammonium (NH₄⁺)

• Phosphorus: phosphate (HPO₄^2- and H₂PO₄^-)

• Potassium: K⁺

• Calcium: Ca²⁺

• Magnesium: Mg²⁺

• Sulfur: sulfate (SO₄^-)

 

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