This "advanced farming" pack adds some block structures, when you set up pens for animals they will show some particles that will show what level that are at (look below). also when you break crops with a hoe you will get +1 crops which makes.

CROPS: Breaking crops with any hoe will drop more crop (may make them drop more and randomly)
   +2 diamond
  +2 gold
  +2 iron
  +3 netherite <-temp disabled so it works in 1.15
  +1 stone
  +1 wooden

ANIMAL PENS: They don't do anything right now, just testing the dect sys
  -(wild) No pen/large pen (no particles)
  -(level1) pens with fences (lime particle)
  -(level2) pens with block walls (yellow particle)
  -(level3) pens with block walls and roofs (green & yellow particle)

Legopitstop's Common License