https://www.greenwave.org/ https://www.greenwave.org/ There's some really cool stuff happening in this field. IIRC some farming designs have been open sourced,

https://www.greenwave.org/ https://www.greenwave.org/ There's some really cool stuff happening in this field. IIRC some farming designs have been open sourced, too. All you really need is a few hundred metres of rope and some seed spools.