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.  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.

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, 53 mL 250x Masterblend 4-18-38, 53 mL 250x calcium nitrate, 53 mL 250x magnesium sulfate, 0.7 mL Dyna-Gro Pro-TeKt, 3.5 mL pH Down.  (This solution is equivalent to 3.5 gal water, 7 g Masterblend, 7 g calcium nitrate, 3.5 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.  Plants moved to indoor grow room, receiving 8 hours LED grow light per day, plus 3 hours sunlight per day.

IMG_20160528_180709752 (1)
May 28 = Day 10
IMG_20160616_124503909 (1)
Jun 16 = Day 29.  3 plants are growing in the same net-pot.

Jun 28 = Day 41.  Began harvesting lower leaves.

IMG_20160706_125816139 (1)
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.

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s