"An important question that could arise in a rural anarchist community might be which crops should be planted in the coming year. Instead of this being decided solely by an individual, in the anarchist system, all interested residents would bring up arguments, debate them, and then vote democratically."

The seeds of failure of the collective you describe are right there. The only people who should be participating in this discussion are the experts on farming. Everyone else can shut up about it since it is not worth starving to death to prove a point. Sure, the people who are doing the farm work can talk about the work itself, and those not doing the work can stay out of that discussion too. And when that discussion does come up, the workers will have to break down the whole issue of just compensation. Straight up, if I work more, I get more. There is no compromise on that.

And while all of these meetings are taking place, no work is actually being accomplished and nothing is being planted. Way too many meetings are required for this to function. Individuals doing their own thing with their own stuff is much more efficient.