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Hydroponic Technology Seminar

Learn about the history, types, materials used, and advantages of hydroponic systems. Discover what you can grow using this soil-less cultivation technique.

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Hydroponic Technology Seminar

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  1. Welcome 1

  2. A SEMINAR HYDROPONIC TECHNOLOGY SUBMITTED TO, William C. Bryant H.S. PRESENTED BY: Mr. Fuentes (SBN11QBO-01) 2

  3. CONTENTS: 1. Introduction 2. History of Hydroponics 3. Hydroponic system 4. Why grow things Hydroponically ? 5. Working 6. Types of Hydroponic Systems 7. Materials used & Nutrient Solution 8. System Requirements 9. Advantages and Disadvantages 10.What can you grow ? 11.Conclusion 3

  4. INTRODUCTION  “Cultivation of plants in water”  It is technique for growing plants without soil. Utilizing this technology, the roots absorb balanced nutrient dissolved in water that meets all the plantdevelopmental requirements.  Many aggregates and media support plant growth  Also called as “ the cultivation of plants without using soil.” 4

  5. HISTORY OF HYDROPHONICS  Hydroponics became popularized by the news media in the 1920s when a scientist named Dr. William F. Gericke of the University of Californiawhen he put laboratory experiments in plantnutrition on a commercial scale. So he termed these nutritive culture systems HYDROPONICS. The word was derived from the Greek words, HYDRO (water), and PONOS (labor), literally “water working”. 5

  6. WHAT IS HYDROPONIC SYSTEM ? Photosynthetic process: Carbon Dioxide + Water → Glucose + Oxygen6CO2 + 6H2O → C6H12O6 + 6O2 There’s no mention of "soil" anywhere in there. Plants can grow without it. 6

  7. WHY GROW THINGSHYDROPONICALLY ? Photo courtesy of NASA Kennedy Space Center (NASA-KSC) 7

  8.  Benefits sometimes questioned…..  But hydroponic growers often got many times greater yields than conventional methods.  Because hydroponically grown plants dip their roots directly into nutrient-rich solutions, they get what they need much more easily than plants growing in soil.  With smaller roots, you can grow more plants in the same area and more yield.  Many pests are carried in soil, so doing without it generally gives you a more hygienic growing system with fewer problems of disease. 8

  9. HOW DOES HYDROPONICS WORK ? Stand your plants in a plastic trough and let a nutrient solution trickle past their roots (with thehelp of gravity and a pump). 9

  10. TYPES OF HYDROPONIC SYSTEM 1. Wick System 2. Water Culture 3. Ebb & flow (Drain and flow) 4. Drip system Recovery/ Non- recovery 5. N.F.T.(Nutrient film Technique) 6. Aeroponic system 10

  11. 1. WICK SYSTEM 2. WATER CULTURE 11

  12. 3. EBB & FLOW (DRAIN AND FLOW) 12

  13. 4. DRIP SYSTEM

  14. 5. N.F.T. (NUTRIENT FILM TECHNIQUE) 13

  15. 6. AEROPONIC 14

  16. MATERIALS USED IN HYDROPONICS 1. Coco Coir Has an excellent air to water ratio with great water retention 15

  17. 2. Rockwool  A fibrous material made from melted rock .  Not Biodegradable Hazardous to health Must be pH balanced Excellent water retention. 16

  18. 3. Expanded clay Pellets Most popular media  Drain quickly & pH neutral  Reusable  Used in ebb & flow, water culture  50/50 mix of clay and coco creates a breathable medium Heavy 17

  19. 4. Potting soil (Perlite)  Perlite + Coco Coir + Vermiculite  Synthetic materials  are puffed/ heated to produce light and porousmaterial 18

  20. Nutrient Solutions  In Hydroponics, nutrient control is easy A nitrogen-rich Grow Formula  A phosphorous and potassium-rich Bloom Formula & The results? Bumper crops of delicious fruits and vegetables everytime. 19

  21.  Plants require 17 essential elements to grow and reproduce  The first three are Hydrogen, oxygen and carbon  Other 14 are: Macro-Elements: Nitrogen, Phosphorous, Potassium, Calcium, Magnesium, Sulfur Microelements: Iron, Manganese, Copper, Zinc,Boron , Chlorine, Molybdenum, Nickel 20

  22. SYSTEM REQUIREMENTS  pH Control 5.8 and 6.4, or slightly acidic Electrical Conductivity (EC) 1.2-3.5 Mho  Horticultural Lighting Metal Halide (MH), High Pressure Sodium(HPS) lamps.  Temperature and Environmental Control 68- 78 degrees F. 21

  23. ADVANTAGES  Higher yields achieved in a smaller space. Nutrients precisely controlled.  Grow, bloom and boost formulas used at the appropriate growth stage.  Indoor gardens grown using full-spectrum horticultural lighting.  Soil-borne pests and diseases are eliminated. Weeds are eliminated.  Plants are healthier and reach maturity faster. Automation is possible 22

  24. DISADVANTAGES  Cost of initial investment  Production is management, capital and labor intensive.  A high level of expertise is required. Daily attention is necessary.  Specially formulated, soluble nutrients must always be used.  Some water born diseases can spread rapidly in recirculation system. 23

  25. WHAT CAN WE GROW ? 24

  26. WE CAN GROW HYDROPONIC GARDEN AT OUR HOME …. USING JUST WATER BOTTLES 25

  27. WHAT WE ARE BUILDING… 26

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  29. CONCLUSION Progress has been rapid and results obtained in various countries have proved that this technology is thoroughly practical and has very definite advantagesover conventional methods of crop production.The main advantages of soil-less cultivation is the much higher crop yields. People living in crowded city streets, withoutgardens, can grow fresh vegetables and barren and sterile areas can be made productive at relatively low cost. 28

  30. REFERENCES 1. MUNÕZ, Héctor. 2005. Hydroponics Home-basedVegetable Production System Manual. IICA, Georgetown, Guyana 2. ECHEVERRIA, Laura Perez. 2008. Hydroponics for Home. IICA, San Jose, Costa Rica 3. ROBERTO, Keith. Fourth edition. Hydroponics Technology. 29

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