Anyone growing barley mats to feed livestock? This is my primary goal. We live near Austin, TX and have 5 mules. In a normal year we spend around $350 on hay. Last year, with the extraordinary drought, we spent over $3000.I don't have anything set up yet (no garden, hydroponic, or aquaponic system).I've been researching, but it's a bit overwhelming to be honest. There are hydroponic systems that…