I agree. What they should have done is make the raised bed thinner and build a wheeled rover for planting. In exchange for having smaller beds, you can now let

I agree. What they should have done is make the raised bed thinner and build a wheeled rover for planting. In exchange for having smaller beds, you can now let the rover service dozens of beds. The irrigation system should be integrated directly into the beds and the rover merely tries to check the soil moisture to conserve water and prevent mold.