For us, I do it all on the animal front, except giving meds and health checks, which I rope the OH in for as she's a doctor and I claim the skills are pretty transferable. We also have a few members who are keen to help more with the animals and they tend to come and help with pig loading or kidding/farrowing so I get a little bit of sleep!
On the crops, we have a 'planting team' on the farm which includes me and my wife and some of the members. We give everybody a rotation e.g. legumes or brassicas and they decide what needs growing and nag me if particular jobs need doing. I find that very helpful as with so much to do, it easy for some important but non-urgent jobs to get overlooked. To be honest, I'd find it impossible without our community - I have no idea how you lot manage with just one or two of you - I still had too much to do even with ten helpers here today!