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Plant Nutrition vs. Plant Fertilization

Plant Nutrition vs. Plant Fertilization. From foukeffa.org Written by Jana Shumaker Ag Student Texas A&M GA Ag Ed Curriculum Office To accompany the Georgia Agriculture Education Curriculum Course 01462 Unit 9 July 2001. Nutrition: Availability and type of chemical

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Plant Nutrition vs. Plant Fertilization

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  1. Plant Nutrition vs. Plant Fertilization From foukeffa.org Written by Jana Shumaker Ag Student Texas A&M GA Ag Ed Curriculum Office To accompany the Georgia Agriculture Education Curriculum Course 01462 Unit 9 July 2001

  2. Nutrition: Availability and type of chemical elements in plant Fertilization: Adding nutrients to soil Plant Nutrition Vs Plant Fertilization

  3. Nutrients 16 elements: • C, H, O, • Macronutrients • Micronutrients

  4. Macronutrients • Nutrients required in large quantities • N • P • K • Ca • Mg • S

  5. Primary Nutrients • N • P • K • Primary because they are needed in large amounts

  6. Secondary Macronutrients • Ca • Mg • S Only moderate amounts required

  7. B Cu Cl Fe Mn Mo Na Zn Micronutrients(Nutrients needed in small quantities)

  8. How to Remember???? • C HOPKNS Ca Fe Mg (C. Hopkins café might good) Remaining nutrients: B, Cu, Cl, Mn, Mo, Zn

  9. What are the role of nutrients? (refer to handout)

  10. What makes plants look Unhealthy? • Discoloration of leaves • Death of leaf tissue • Stunted growth

  11. Examples Discoloration of Leaves

  12. Nutrient Deficiencies • N • Chlorosis on lower leaves

  13. Nutrient Deficiencies • N • Chlorosis of leaves

  14. Nutrient Deficiencies • P • Purplish coloration of leaves

  15. Nutrient Deficiencies • K • Chlorosis of leaves • Brown leaf edges

  16. Nutrient Deficiencies • K • Chlorosis of leaves • Brown leaf edges

  17. Nutrient Deficiencies S: yellowing of entire plant; leaves

  18. How can you correct nutrient deficiency?

  19. Fertilizer

  20. What is fertilizer? Any material added to the soil to provide nutrients that will increase growth, yield, or nutritional value of the plants.

  21. Fert. Classifications • Inorganic • Natural Organic • Synthetic Organic

  22. Inorganic Fert. • Non-living sources (minerals/rocks) • Chemically made

  23. Inorganic Fert. Characteristics: • Nutrients in soluble form and quickly made available to plants • Should not come in contact with roots or foliage for long time period

  24. Natural Organic • From plant/animal material Characteristics: • N usually predominant • Nutrients are only made available to the plants as the materials decay in soil, so SLOW ACTING & LONG LASTING

  25. Natural Organic Examples: • Animal manure • Cottonseed meal • Soybean meal • Dried blood • Dried ground/sewage sludge • Bone meal

  26. Synthetic Organic Fert. • Made from carbon based materials

  27. Sources of Info • Various pictures used in this presentation were found on various internet sites.

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