All of the following farms can be built in a survival world. However, it does require quite a bit of effort to obtain the necessary blocks and items to get one up and working. There are both semi-automatic farms and ones which are entirely automated, meaning no human intervention is necessary to keep some of them going and producing.
Creator: MDS Minecraft, Twitter Account, YouTube
The farms included are a cow farm, sugarcane farm, villager breeder, melon and pumpkin farm, wheat/potato/carrot/beetroot farm, XP farm, cocoa beans farm, nether wart farm, flower farm, cactus farm and a tree farm.