thanks very much...and saved her in case it ever gets lost online
****
The
word "hydroponics" literally means, "water work". It is the art of
soilless gardening. Hydroponics is the growing of vegetation in
nutrients, and oxygen, without soil, in a controlled fashion that
results in high yields. </span>Hydroponic viticulture </span>is
the growing of grapes without soil. Grape roots are confined to a
reservoir of nutrient solution that feeds the vines exactly what they
need when they need it, to produce high yields of quality grapes for
wine. Therefore, soil quality is not a factor. Roots are contained in
nutrient reservoirs, which allows the grapes to be grown on any
surface, including a patio or terrace.
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These 12 vines at Africus Rex are growing with each of their roots suspended in oxygenated nutrient solution.
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Hydroponics vineyards can exist in
several configurations, depending on space, and personal preference.
The ultimate objective is to provide a balance of food and oxygen to
the roots. Here, the roots are suspended in 5 gallon pails filled with
nutrient rich solution, oxygenated by an air pump.
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The lower trunk of the cabernet
franc vines are fixed in a basket of rocks for stability while the
roots dangle beneath the basket, in the oxygenated nutrient solution. A
stopper on each reservoir allows access to check and maintain nutrient
pH, water level, and EC (eclectrical conductivity) of nutrients.
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One air pump can oxygenate two
vines. The pump is sealed in a pail with power supply and an output
hose to each vine. All lines and hoses are calked against rain and
moisture. The center right-angle elbow and grommet provide air intake
for the pump.
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What is Hydroponic Viticulture?
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Index
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What Is Africus Rex?</span>
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What is hydroponic viticulture?</span>
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Yield</span>
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Tour The Wine Cellar</span>
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Bibliography and Related Literature</span>
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Links To Other Related Sites</span>
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<a href="mailto:
[email protected]" target="_blank">
</>
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Have a comment or question?
</span>
Email me
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Nutrient solutions are changed every
10--14 days. Changing nutrient solution involves simply lifting the
vine assembly off the nutrient reservoir, discard the old solution
(excellent natural nutrition for yard plants, garden or grass), refill
the reservoir with fresh nutrient and replace the vine.
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At seasons end, after harvest, the
vines are allowed to go dormant with the cool weather. Before
temperatures fall below freezing, the entire vineyard can be dismantled
and packed away in two containers, while the vines are wrapped and
refrigerated over winter at a temperature between 32--40 F.</span>