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Hydroponically Grown Lettuce

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Hydroponically Grown Lettuce. The non-circulating style. Kealakehe Chapter. What is Hydroponics?. Hydroponics is the science of growing plants in water without soil. Kealakehe Chapter. History of Hydroponics. Babylon. Kealakehe Chapter. History of Hydroponics. Aztecs. Kealakehe Chapter.

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slide1
Hydroponically Grown Lettuce

The non-circulating style.

Kealakehe Chapter

slide2
What is Hydroponics?

Hydroponics is the science of growing plants in water without soil.

Kealakehe Chapter

slide3
History of Hydroponics

Babylon

Kealakehe Chapter

slide4
History of Hydroponics

Aztecs

Kealakehe Chapter

slide5
History of Hydroponics

Lo’i

Kealakehe Chapter

slide6
History of Hydroponics

WWII

Kealakehe Chapter

slide7
Advantages of Hydroponics

Less insects

More control of the growing environment of plant

Year-round supply

Minimal use of space

Kealakehe Chapter

slide8
Types of Hydroponics

Circulating hydroponics system

Non-circulating hydroponics system

Kealakehe Chapter

slide9
Materials Needed

for the box

  • 1- 2’x 3’Sheet Ply wood Board
  • Nails
  • Staples
  • Net Pots
  • 1- 2’x 3’ Styrofoam Board
  • 2 pieces of 3’of 2”x 4” wood
  • 2 pieces of 2’ of 2”x 4” wood
  • 1- 3’ x 4’ black plastic liner

Kealakehe Chapter

slide10
Equipment Needed
  • Hammer
  • Hand Saw or Skill Saw
  • Tape Measure
  • Utility Knife
  • Staple Gun

Kealakehe Chapter

slide11
Building the Box
  • Measure and Cut Sheet plywood to fit Styrofoam Board
  • Next, measure and cut the 2”x 4” wood

Kealakehe Chapter

slide12
Building the Box
  • Attach the 2 X 4 box frame to the
  • 2’ x 3’ plywood
  • Measure the black plastic liner and drape the inside of the 2’x 3’ box, fasten liner using staple gun

Kealakehe Chapter

slide13
Box Cover
  • Place Styrofoam on top of the 2’x 3’ box
  • Use a utility knife to cut holes the size of the net pot and making sure that they are 5 inches apart (a total of 12 holes) evenly spaced

Kealakehe Chapter

slide14
Box Cover
  • Place net pot in hole to make sure that it fits snuggly
  • Note: you don’t want to cut the hole too big so sunlight will not enter the box.

Kealakehe Chapter

slide15
Germinating Seedlings
  •  Place seeds in Oasis Growing media
  •  Place the Oasis Block in a Tupperware container or planting flat and water oasis so it is saturated.

Kealakehe Chapter

slide16
Germinating Seedlings
  • Seeds will emerge usually in 10 – 21 days
  • Seeds then can be transplanted into the net pot and placed in non-circulating hydroponic box

Kealakehe Chapter

slide17
Nutrient Setup
  • Fill hydroponics box half-way with water
  • Place equal proportions of fertilizer solution from stock tanks.
  • Adjust fertilizer level
  • Adjust pH level as needed

Kealakehe Chapter

slide18
Maintenance of Plants

Check your fertilizer and pH levels at least every other day to maintain proper growing environments for your plant.

Kealakehe Chapter

slide19
Harvesting of Plants
  • Lettuce will mature around from 45-80 days and will be ready for harvest.

Kealakehe Chapter

slide20
Hydroponically Grown Lettuce

The non-circulating style.

  • Questions?

Kealakehe Chapter

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