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Soil Macronutrients

Carbon-Hydrogen-Oxygen-Nitrogen-Phosphorus-Potassium . Soil Macronutrients . Nutrients . Macronutrients Needed in larger quantities Micronutrients Needed in smaller quantities . Non-Fertilizer Nutrients . Cannot be supplied in a fertilizer Come from Water & Air (H2O & CO2 ) Carbon

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Soil Macronutrients

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  1. Carbon-Hydrogen-Oxygen-Nitrogen-Phosphorus-Potassium Soil Macronutrients

  2. Nutrients • Macronutrients • Needed in larger quantities • Micronutrients • Needed in smaller quantities

  3. Non-Fertilizer Nutrients • Cannot be supplied in a fertilizer • Come from Water & Air (H2O & CO2) • Carbon • Hydrogen • Oxygen

  4. Primary Macronutrients • Nitrogen • Phosphorus • Potassium • Complete fertilizer must contain all 3

  5. Secondary Macronutrients • Calcium • Magnesium • Sulfur

  6. Nitrogen • Encourages Growth • Gives plants a dark green color Deficiency: - Plant turns lighter green - Yellowing leaves - Slow growth

  7. Phosphorus • Root Development • Encourages Flowering • Improves Winter Hardiness • Deficiency • Purplish coloration to leaves • Stunted Growth

  8. Potassium • Increases disease resistance • Thickens cell walls • Aids in the transport of food in the phloem • Deficiency • Yellowing, death of tissue at the tips.

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