I do a ton of sprouting...clover...alfalfa...garbanzos.....lentils....adzukis....broccoli....you get it.. whatever I can sprout.....those seeds/beans are sprouted w/out soil, usually in glass jars or some other sprouting device.
I'm just getting into sprouting wheat berries for wheatgrass juice, sunflower sprouts and peas, which are done in soil. As part of my Life Force Energy class, we got to sprout both wheat berries and sunflower sprouts, which was surprisingly easy to do.
You first soak your wheat berries (Hard Red Winter Wheat) and sunflower seeds (Black Oil sunflower seeds) overnight in water. The size of the tray will determine what volume of seeds to soak.
The trays are filled with soil; I use a top soil mix w/peat moss and enrich it with glacial rock powder. After the over night soak, drain and rinse the wheat berries and/or sunflower sprouts and press them into the soil.
It's best to dedicate trays, but for our class, we split 1 tray each to get started.
Gently water to make sure soil is moist, and then cover with another tray. Water again in the evening. Repeat this for 3 days, and the sprouts will actually start to push up the tray that is laying on top of it. At this point, remove the top tray and give the sprouts indirect sunlight and continue to water 2-3 times daily, depending on soil moisture.
Harvest the wheatgrass when you see a second, smaller piece of grass growing out of the first, ~7-10 days. The sunflower sprouts are harvested when you can see the second pair of leaves starting to grow with the larger, top pair of leaves, also ~7-10 days.
The wheatgrass obviously you juice into wheatgrass juice...the sunflower sprouts can also be juiced, or eaten straight up, they are delicious and sweet.
Eat something raw today!