local function plow()
a,b = turtle.inspectDown()
if a==TRUE then
 if b.name=="minecraft:wheat" then
  if b.metadata==7 then
  if turtle.getFuelLevel<10 then
  turtle.refuel(1)
  end
  turtle.digDown()
  end
  end
  end

 while true do
 for i=1,9 do
 for j=1,9 do
 plow()
 turtle.forward()
 end
 turtle.turnRight()
 turtle.forward()
 turtle.turnRight()
 end