dropoff = peripheral.wrap("top")

while true do
    item = dropoff.getItemDetail(1) 
    if item and item.count > 32 then
        repeat
            item = dropoff.getItemDetail(1)
        until not item or (item.count < 10)
    end
    bonemeal = turtle.getItemCount(1)
    turtle.select(1)
    for i = 2,bonemeal do
        turtle.place()
    end
    while turtle.suck() do end
    for i = 2,16 do
        turtle.select(i)
        turtle.dropUp(turtle.getItemCount()-1)
    end
end