Vacuum seeders can speed the seed sowing process and save tedious work. We really like this seeder for crops like kale, cabbage, broccoli, and basil–species with small round seeds that are hard to handle. It does not work for crops like lettuce, but we have used it with onions. Our home-made version has a wood…
The Amish use a device to inflate the double walls of the plastic on their high tunnels that does not require electricity–it is wind driven. It has a cone or funnel to catch the wind, a pivot, and a vane to keep it directed into the wind (see photo below). The device in this photo does…
[ngg_images gallery_ids=”2″ display_type=”photocrati-nextgen_basic_imagebrowser” gallery_width=”300″] Soil temperature is more critical for plant growth than air temperature. For example, growth of tomatoes will stall when the soil temperature is 56 degrees F or less, but begin to grow when the soil temperature hits 58 degrees F. Therefore, releasing heat energy at ground level is usually more efficient…