FarmSugarCane

function dropIfFull()
	for i=1,16 do
		turtle.select(i)
		local itemDetail = turtle.getItemDetail()
		if itemDetail then
			turtle.dropUp()
		end
	end
end

function digIfNeeded()
	local success, data = turtle.inspect()
	if success then
		turtle.dig()
	end
	turtle.turnRight()
	turtle.suck()
	turtle.suckDown()
end

steps = 1

while true do
	dropIfFull()
	digIfNeeded()
	steps = steps + 1

	if steps == 5 then
		os.sleep(30)
		steps = 1
	end
end