Turtle Tree BoP

size = 0
turtle.select(16)
turtle.place()
function moreSaplings()
    if turtle.getItemCount(16) < 1 then
        while turtle.getItemCount(16) < 1 do
            sleep(1)
            print("Waiting for Saplings")
        end
        print("Got Saplings")
        turtle.select(16)
        turtle.place()
    else
        print("Still got "..turtle.getItemCount(16).." Saplings")
    end
end

function refuel()
    if turtle.getFuelLevel() < 64 then
        while turtle.getItemCount(15) < 1 do
            sleep(1)
            print("Waiting for Fuel")
        end
        turtle.select(14)
        turtle.refuel()
        turtle.select(1)
        print("Done Refuelling")
    end
end

function detect()
    local sucess, info = turtle.inspect()
    if info.name == "BiomesOPlenty:logs1" and info.metadata == 3 then
        main()
    else
        print("Didn't Grow")
    end
end


function main()
    turtle.dig()
    turtle.forward()
    while turtle.detectUp() do
        turtle.digUp()
        turtle.up()
        size = size + 1
    end
    for i = 0, size do
        turtle.down()
    end
    size = 0
    turtle.back()
    turtle.select(16)
    turtle.place()
    for i = 1, 14 do
        turtle.select(i)
        turtle.dropDown()
    end
end

while true do
    detect()
    refuel()
    moreSaplings()
    sleep(5)
end