Part 4: Comparing to CO2 emissions to ship food from coast to coast
Most of our produce is shipped from California for the Northeast. The average head of
lettuce is shipped 3000 miles from southern California to Boston. Most produce is
shipped via large t
What does this mean?
It may help to think about CO2 as gas trapped inside a balloon. Filling a balloon
with one pound of CO2 would swell the balloon to be about two and a half feet
across. You could hug it, but it would be hard. Each day the average Ameri
Calculate the cost of shipping produce via truck
Calculate the cost of shipping
Cost of fuel = ($4.00/gallon) * (gallons of diesel used)
Cost of fuel = ($4.00) * (3000/8) = $1,500/shipment
So cost per pound is Cost of fuel/Number of Pounds = $1500/45,000
So what is the ecological cost of our hydroponic system?
For now we will focus on Carbon dioxide emissions. Now we need to know how
much carbon dioxide is produced by our hydroponic system assuming the
electricity. To do that we need to know the CO 2 conv
What is the Ecological Costs of Hydroponics?
Most of the United States energy production is generated using fossil fuels.
Fossil fuels have a high energy density. This means that we are able to extract a
lot of energy per gram of fossil fuel. In addition,
So how much does your system cost? How would you reduce the cost of your
Total Cost =$0.13128 * 42 days= $5.51
To reduce the cost of our system, we should have the lights on during the low
peak use and off during the high peak
How much does my system really cost per crop?
Now that we know how much our system costs per hour we can figure out how
much it costs per crop? So what do you need to know to figure out how much it
costs to grow your crop? Well, you need:
What kind of
Hydroponic/Growing Food Research Lab
Questions to answer:
1. Why did you pick the research question that you choose?
Our research question involves the growth of the plant and type of light. Because we
were using the LED light, we thought it would be inte
How confident are you in your results? For example, what could be potential
experimental errors that could have impacted your results?
Although we are confident in our results, we do recognize our limitations. One must
remember that we were not controllin
What uses electricity on your system?
You need to figure out the TOTAL electricity use for your system. To do this you
need to measure EVERYTHING that uses electricity. So what uses electricity on
1. The pump for the water
2. The lights for s
How about cost/lb?
The cost per pound of produce is a better measure of how much your system
really costs. So you know that the total cost of our system is $44.52. So assume
that your system produces 20 lbs of lettuce. That means that your expenses are