Plant Food! - PowerPoint PPT Presentation

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Plant Food!

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  1. Plant Food! Plant Fertilizers. A Brief definition. Horticulture Revision Committee May 2007

  2. What IS fertilizer? • It is PLANT FOOD.

  3. Major elements • Nitrogen, Phosphorus and Potassium are the Major elements all plants need. • N-P-K example: 10-10-10 • Required in large amounts. They must be added by applying NPK fertilizer. 10-10-10, or 14-14-14, etc. • Also called the Macronutrients

  4. 3 Major elementsnitrogen, phosphorus, potassium

  5. N P K ! The MAJOR elements!

  6. NITROGEN!(N) • MAKES MY LEAVES TURN GREEN • The UPPER or ABOVE GROUND part of the plant!

  7. PHOSPHORUS! • Feeds the ROOTS! The underground part of the plant! • Also helps to promote BLOOMS!

  8. POTASSIUM! (K) • Potassium is an ALL AROUND element that helps the development of cells, roots, stems and most EVERYTHING to help a plant grow!

  9. Up! Nitrogen!Down! Phosphorus!All around! Potassium!

  10. Minor elements • Elements that plants need in minor amounts. They may or may not need to be added to the soil. • Calcium, boron, iron and others. • Micronutrients!

  11. Leaching • It is when the fertilizer nutrients are leached out (washed out) of soil over time from excessive water. • Caused from excessive rain or watering. • This is why you have to keep applying fertilizers to plants.