|
A quarter-acre, or 10,390 square
feet, will accommodate 78 30-foot rows of plants, grown in 4'
X 30' Grow-Boxes, with 3 1/2' side aisles, and 5' end aisles.
Planting 9" apart gives you 41 plants per bed or 3,198 total.
By growing a tomato that averages
8 ounces (some varieties are even bigger), and growing vertically,
each plant should produce 16# of fruit from July through October.
How? Good varieties produce
a cluster of 3-7 tomatoes every 5-7" up a 7' stem in 4 months
of production. Using 4 per cluster and 12 clusters gives 48 tomatoes,
and at 8 ounces each, your yield would be 24# per plant. Lets
reduce that by one third, to be conservative.
This amounts to 51,168 pounds
of tomatoes (16# X 41 X 78) - or $25,584 at $.50 per pound. Who
said you couldn't live out of your garden! And similar results
can be achieved growing right in the soil.
Now there certainly are costs,
including labor, as there are in any serious endeavor. Start-up
costs include 1) making and filling the boxes, 2) making T-Frames,
3) wires or pipes, and baling-twine strings, and 4) automating
the watering. However these are one-time capital expenditures
and will be more than recovered in the first year.
Next, suppose you'd like to
increase your yield even more. After all, commercial hydroponic
growers can produce 550,000 pounds of plastic, tasteless
tomatoes per year on one acre. Of course, they have large investments
in year-round greenhouses, automated systems, etc. By simply
putting an arched PVC roof over each of your Grow-Boxes, as illustrated,
covering them with 6-mil greenhouse plastic, and then adding
just a little heat on cold nights, you can lengthen your growing
season by another two months, or 50%!
Now you're looking at 75,000#
of tomatoes per quarter-acre, or more than half the yield of
the expensive hydroponic growers! But you're growing "in
the dirt", because your boxes are open at the bottom, so
your plants get all the natural nutrients available from the
soil (producing better flavor). And you only use the plastic
covering for two or three months, so your plants benefit from
direct sunlight as well, further improving their flavor.
Do you think these numbers are
hard to believe? Just visit a greenhouse tomato operation and
see tomato plants that are 20' and 30' long - still producing
after more than a year!
Now lets see what your
family can do. And let me help guide you through the process
- read the website FAQs at www.foodforeveryone.org |