Agriculture Reference
In-Depth Information
• Crop Type: Some crops require higher levels of daily light levels than others. This is known as the plants Daily
Light Integral or DLI and is measured in Moles per Day.
• Time of Year: The hours of available sunlight or photoperiod, having been reduced in winter months, may not
provide adequate DLI that had been at sufficient during summer months.
• Region: There are well established charts that show how much sunlight is available based on re-
gion and time of year. When choosing crop types for your aquaponics system, it is important to determine if
adequate sunlight levels are available in your area for the desired crops you wish to grow and decide at what
times of the year those levels are available.
If year-round crop production is desired in areas where adequate sunlight levels are not available to meet these
needs, then supplemental lighting systems allow the grower to meet the crops DLI and are a necessary addition
to the aquaponics system.
TRADE SECRET #15:
Be sure to install shade cloth (70% - allowing in 70% of sunlight is average strength) above the Grow Tables.
Some people install their sun shade on wires so it can be moved over the entire growing area allowing the small
plants to be protected and then the larger plants are able to receive full sunlight when they are large enough to
cover most of the gravel. It's up to you. Placing the shade cloth on wires allows much more flexibility and is
highly recommended.
TRADE SECRET #16:
If your farm water is low in nitrates, you can also adjust the feeding of your fish to adjust water quality in your
farm. If your system is low in nitrates, feed your fish MORE food to balance the system. If there is too much
ammonia, decrease the feed.
TRADE SECRET #17:
FISH POOP IS NOT ENOUGH for growing healthy blooming plants . FF Mineral
Rock Dust provides aquaponics growers the perfect balance of many trace elements
not consistently available from just plain ordinary nitrogen-rich fish poop.
Now you can consistently grow blooming plants (year round) with the addition of
FF Mineral Rock Dust because your plants will receive 57 nutrient-rich elements
along with the fresh available nutrients in your fish poop to grow healthy plants. Now
your plants will receive adequate levels of calcium, iron, magnesium and potassium
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