Endive – Perlita

52473-pk-p1Apr 7, 2016 = Day 0.  Plants started from seed (Park Seed Co.).  Seeds sowed in 1.5-inch rockwool cube in 2-inch net-pot.  Moistened with dilute fertilizer solution: 1.2 mL (1/4 tsp) Dyna-Gro Liquid Grow, 0.8 mL pH Down per gallon of tap water.  Nutrient concentrations (in ppm):  N 22, P 29, K 16, Ca 6, Mg 1.6, S 0.2, Fe 0.3, Mn 0.2, B 0.1, Zn 0.2, Cu 0.2, Mo 0.003, Ni 0.0003, Co 0.005.  pH = 6.0.

Apr 10 = Day 3.  Plants germinated, placed directly under a fluorescent light (2 ft. T8 bulb, 17W, 6500k) for 16 hours per day.

Apr 19 = Day 12.  Installed plant into 2-gallon bucket.  Hydroponic solution composed of 2 gal (7.6 L) tap water, 30 mL 250x Masterblend 4-18-38, 30 mL 250x calcium nitrate, 30 mL 250x magnesium sulfate, 0.4 mL Dyna-Gro Pro-TeKt, 2 mL pH Down.  (This solution is equivalent to 2 gallons water, 4 g Masterblend, 4 g calcium nitrate, 2 g magnesium sulfate).  Nutrient concentrations (in ppm):  N 103, P 95, K 202, Ca 100, Mg 29, S 34, Fe 2.1, Mn 1.1, B 1.1, Zn 0.3, Cu 0.3, Mo 0.05, Si 4.  pH = 6.0.  Plant moved to indoor grow room, receiving 9 hours LED grow light per day, plus 3 hours sunlight per day.

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Apr 19 = Day 12
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May 2 = Day 25

May 19 = Day 42.  Began harvesting lower leaves.

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May 26 = Day 49

Jun 5 = Day 59.  Added 0.5 gallon fresh hydroponic fluid.

Jun 12 = Day 66.  Plant leaves are getting tougher and have a bitter taste.  It would be better next time to only harvest leaves from the younger plant, since the leaves were more tender and tasty.  Discarded plant at this time.  Total fluid used = 1.9 gallons.

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