It turns out Saffron, the world's highest-priced spice, can thrive in a hydroponic system.
Chicken fodder, grown from seeds such as rye grass, millet, buckwheat, clover and kale, can easily and plentifully be grown in an ebb and flow system.
A: Growing potatoes hydroponically is easier than you might think, and a lot cleaner than growing them in soil! I use a large fabric pot...
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