Farming Turtle

while turtle.detectDown() do
turtle.dig()
turtle.select(1)
turtle.place()
turtle.select(2)
turtle.place()
turtle.select(3)
turtle.dig()
turtle.turnLeft()
turtle.drop()
turtle.turnLeft()
turtle.select(2)
if turtle.getItemSpace() < 1 then
turtle.suck()
turtle.turnLeft()
else
turtle.turnLeft()
end
turtle.select(4)
turtle.drop()
turtle.select(1)
turtle.drop()
turtle.suck()
turtle.turnLeft()
end