Farmer

function depositWheat()
    turtle.select(3)
    turtle.drop()
    turtle.turnLeft()
end

function Bonemeal()
    turtle.select(2)
    turtle.suck()
    turtle.turnLeft()
end

function Seeds()
    turtle.select(1)
    turtle.suck()
    turtle.turnLeft()
end

function check_Bonemeal()
    turtle.select(2)
    if turtle.getItemCount(2) == 0 then
        turtle.suck()
        turtle.turnLeft()
    else
        turtle.turnLeft()
    end
end

function check_Seeds()
    turtle.select(4)
    turtle.drop()
    turtle.select(1)
    if turtle.getItemCount(1) == 0 then
        turtle.suck()
        turtle.turnLeft()
    else
        turtle.turnLeft()
    end
end


function Harvest()
    turtle.dig()
    turtle.select(1)
    turtle.place()
    turtle.select(2)
    turtle.place()
    turtle.select(3)
    turtle.dig()
    turtle.select(1)
    turtle.turnLeft()
end

Harvest()
Seeds()
Bonemeal()
turtle.turnLeft()
while true do
    Harvest()
    check_Seeds()
    check_Bonemeal()
    depositWheat()
end