>>621040No experience, but using common sense
1. draining
2. getting rid of the liquids
3. venting
A traditional "outhouse" works just fine if it's used only a couple times a year. As long as the stuff stays dry, It won't stink too much.
>>621109>>fertilizing food with human wasteThis is a very bad, and tbh gross idea. Unless you think some apocalyptic survival scenario you should seek help.