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Happy Farming . com

How to Grow Your Own Food

  • Nov 22

    Potatoes

    • Avoid washing potatoes before storage. Moisture causes them to rot
    • The location must be:
    1. Cool – Heat will make them sprout
    2. Dark – Light causes them to turn green and poisonous
    3. Dry – Moisture will make them rot
    • Ideas for storage:
    1. Brown paper bag
    2. Cardboard box
    3. In pantyhose separated by knots
    4. Root cellar
    5. As chips in a freezer
    • Storage temperature must be 7-10 deg. C (45-50 deg. F). Freezing temperatures will change the taste and appearance of the potatoes.
    • Remove potatoes that have turned soft, dried up or sprouted
    • Potatoes can be stored for 3 to 6 months

  • Nov 20

    Wireworm

    I finally found out what this is, sticking out of the potato above. There’s a better picture of it in this post about potato worms. Apparently this is a classic example of what happens, when you convert your lawn into a vegetable garden. They’re called wireworms and the problem is not limited to potatoes in particular. These worms are larvae that will eventually grow into click beetles. These beetles like to live in the lawn, and normally when in the larvae stage they will eat the roots of grass. When you remove the grass you take away their food and they start looking for other things to eat, for instance potatoes, or carrots or other root crops.
    It takes about 4 to 5 years for the larvae to grow into a beetle, so be prepared to turn the soil frequently when the weather is dry and collect them, when you spot them. And choose plants that develop above ground, like beans, peas, squash etc.

  • Nov 17

    I have previously written a good deal about raised beds made out of raw, untreated wooden planks. I don’t like the idea of building out of pressure-treated wood since I’m not sure if there are any chemicals or salts leaking into the soil. I’ve been using either spruce or pine, I’m not really sure, but I took a picture of the raw planks:

    Planks

    If you know what sort of wood it is, please let me know in the comments.

    The raised beds have been outside in the garden for two years now and are beginning to show signs of decay. It’s not really that bad:

    Raised Bed Plank 2

    It looks like they could last many more years:

    Raised Bed Plank 1

    But then I took a look at the backside of one of the planks and found this:

    Raised Bed Plank 3

    It could be that the wood at this spot has been exposed to soil with higher moisture than elsewhere but then again the soil looks the same to me.

    I have planned on building three more raised beds out of this type of wood, but now I think it would be better to find some rectangular concrete tiles and place them upright around the edge of the beds. This would be a little more work but the beds could last for centuries.
    Now I just have to think of a new project for the planks I’ve already bought. :-)

  • Nov 12

    Log week 2008-11-12 21:06

    Here’s a bit more explanation on how to run the temperature logging system I described earlier.
    The system automatically stores the value of its sensors every five minutes using the crontab function in Linux. crontab is a schedule of recurring things to be done in the form of commands to be run on the system. There’s different crontab’s for different users. In this particular NSLU2 system I’m running crontab commands as root user. As far as I remember it was necessary to do that to have sufficient rights on the system.
    To see what is in your crontab at the moment, run this command:

    crontab -l

    where -l is for list only. Use -e for editing your crontab:

    crontab -e

    This will start a default editor, in my case ‘nano’, so that you can make changes to your list.

    crontab -l on this system gives this output:

    # m h  dom mon dow   command
    */5 * * * * /home/thomas/happyfarming/update_temp_2.sh &> /dev/null
    */5 * * * * /home/thomas/happyfarming/upload_temps.sh

    m: Minute. “/5″ means every five minutes.
    h: Hour
    command: Command to be executed. I run the update_temp_2.sh script every five minutes. “&> /dev/null” takes the output from this command and discards it, so that I don’t get a mail every five minutes.
    * means at every value, i.e. minute is 1 through 60 or hour is 1 through 24 etc.

    The other command or script I run is upload_temps.sh. This will upload the graphs to this website, making them available in posts.

    This is what my upload_temps.sh script looks like:

    #!/bin/bash
    sleep 30
    lftp -u USER,PASSWORD SERVER <<EOF
    cd /images/
    lcd /home/thomas/happyfarming/
    put log_h.png
    put log_d.png
    put log_w.png
    put log_m.png
    put log_y.png
    quit 0
    EOF

    using FTP to upload the files.

  • Nov 10

    Sea buckthorn

    This is not actually “grow your own food”, more like gather your own food. It came in through the back door from my in-laws, so it was not something I was seeking consciously. My girlfriend has family in Sweden and they were visiting Denmark. I don’t know if this is typical for Denmark, but they found a lot of Sea buckthorn (Hippophae L.), which they made juice from. Apparently this is very valuable stuff, so they were glad they could take much of it with them home.

    My in-laws combed the local coastline and they found lots of bushes of Sea buckthorn. It’s supposed to be one of those healthy superfoods, like blackcurrant, blackberry and such. We got some of the juice and I’m beginning to like it. It took a while to figure out what it taste like, but it’s very much like oranges, plain and simple. So is the color. When shaken it also looks like orange juice, but left still the buckthorn will part like oil on water. We mix it with water, 1 part juice and 6 parts water. The raw Sea buckthorn juice is made with special equipment that can be carried around when picking the berries.

  • Nov 4

    Temperature log week

    The soil temperature sensor is now in the ground and measurements have been coming in for days now. I have placed the NSLU2 computer in the windowsill and laid an Ethernet cable out to the raised beds. The scripts for this logging functionality are available here:

    make_temps_2.sh

    update_temp_2.sh

    owfs is used as interface to the 1-wire network.

    As expected the soil temperature is changing slower than the air temperature. Sometimes the soil temperature continues to go up while the air temperature is dropping. Maybe the soil temperature is determined by the amount of sun reaching the ground and the air temperature follows the wind, but I don’t know.

    I actually thought that the soil temperature would be more stable, like 7 deg. C +/- 2 (45 deg. F) or something, but that is not the case here. Until now it has been in the range 3 to 7 deg. C (37 to 45 deg. F) and it seems like it would easily go below 0 deg. C (32 deg. F) given enough hours with air temperature below -5 deg. C (23 deg. F). On a second thought it might be true that a few meters down the soil temperature would be rather stable. But then it’s not soil anymore, right?

    Anyway, it’s time to plant some garlic. We have some Chinese ones in the kitchen. They’ve traveled about 7000 km (4300 miles) … Geez, what were we thinking?

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