  Bread stays fresh in a fridge for approximately 2 days. If the bread is not cooked and is still dough, it can stay fresh for up to a month.
What is the typical size for a commercial high tunnel? High tunnels used for growing horticulture crops commercially are typically 20-30 ft wide and 100-200 ft in length with a height of 9-17 ft in center.ince high tunnels are a relatively small planting area, compost is also economical for use in the high tunnel. ALWAYS have your compost source tested for nutrients, pH and soluble salts. If you are purchasing compost from a local farm, determine if any phenoxy herbicides had been applied to the meadows or pastures.
All types of lettuce grow well in a high-altitude garden. With an extra bit of effort at planting time, bountiful lettuce yields are possible on a year-round basis. Using a fertile soil that retains moisture yet drains well is ideal for growing lettuce. Most Colorado soils will need the addition of organic compost.