Lettuce – Salad Bowl

salad-bowl-lettuceMay 18, 2016 = Day 0.  Plants started from seed (Bountiful Gardens).  Seeds sowed in 1.5-inch rockwool cube in 2-inch net-pot.  Moistened with dilute fertilizer solution: 1.2 mL Dyna-Gro Liquid Grow, 0.8 mL pH Down per gallon of tap water.  N-P-K (in ppm): 22-12-13.

May 21 = Day 3.  Plant germinated, placed directly under a fluorescent light (2 ft. T8 bulb, 17W, 6500k) for 16 hours per day.

May 28 = Day 10.  Installed plant into 3.5-gallon bucket.  Hydroponic solution composed of 3.5 gal (13.2 L) tap water, 7 g MasterBlend 4-18-38, 7 g calcium nitrate, 3.5 g magnesium sulfate, 0.7 mL Dyna-Gro Pro-TeKt, 3.5 mL pH Down.  N-P-K (in ppm): 103-41-168.  pH =  6.0.  Plants moved to indoor grow room, receiving 8 hours LED grow light per day, plus 3 hours sunlight per day.

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May 28 = Day 10
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Jun 16 = Day 29.  3 plants are growing in the same net-pot.

Jun 28 = Day 41.  Began harvesting lower leaves.

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Jul 6 = Day 49

Jul 16 = Day 59.  Harvested all remaining leaves.  Total fluid volume used = 2.1 gallons (0.7 gallons per plant).  Final pH = 7.0.

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