farm

slotBoneMeal = 2
slotCrop = 3


while true do

turtle.select(slotBoneMeal)
if turtle.compareTo(1) == false then
  return false
end

if turtle.getItemCount(slotBoneMeal) < 1 then
  return false
end

turtle.digDown()

turtle.select(slotCrop)
turtle.placeDown(slotCrop)
turtle.forward(
turtle.select(slotBoneMeal)
while turtle.placeDown(slotBoneMeal) do
end

turtle.digDown()

end