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Plant Nutrients

Plant Nutrients. Plant nutrients are divided into three main categories: Primary nutrients Secondary nutrients Micronutrients. Primary Nutrients. Primary nutrients are needed by the plant in large quantities. There are six nutrients in this category: - Carbon (C) - Phosphorus (P)

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Plant Nutrients

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  1. Plant Nutrients • Plant nutrients are divided into three main categories: • Primary nutrients • Secondary nutrients • Micronutrients

  2. Primary Nutrients • Primary nutrients are needed by the plant in large quantities. • There are six nutrients in this category: - Carbon (C) - Phosphorus (P) - Hydrogen (H) - Nitrogen (N) - Oxygen (O) - Potassium (K)

  3. Secondary Nutrients • Secondary nutrients are needed in quantities which are lower than primary, but greater than micronutrients. These nutrients are: - Sulfur (S) - Iron (Fe) - Calcium (Ca) - Magnesium (Mg)

  4. Micronutrients • Micronutrients are needed in very small amounts, and are the greatest in number. - Molybdenum (Mo) - Zinc (Zn) - Boron (B) - Chlorine (Cl) - Copper (Cu) - Manganese (Mn)

  5. Function: Promotes rapid vegetative growth. Gives the plant a healthy green color. Deficiency Symptoms: Stunted growth. Pale yellowish color. Burning of tip margins on leaves. Nitrogen (N)

  6. Functions: Stimulates early growth and root formation. Promotes seed growth. Hastens maturity. Makes plants hardy. Deficiency Symptoms: Small growth. Spindly stalk. Delayed maturity. Purplish color of leaves. Dying of tips of older leaves. Poor fruit and seed development. Phosphorus (P)

  7. Functions: Improves plant’s ability to resist disease and cold. Aids in production of carbohydrates. Deficiency Symptoms: Slow growth. Margins of older leaves appear scorched. Weak stalk. Shriveled fruit or seed. Potassium (K)

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