Human resources. As economy grows, the demand for living quality and material things increases, and the general low income group gradually can hardly meet the demand of young generations. The increase in incentive and job offerings of the nonagricultural sector also causes agricultural labor to diversify. The aging problem among farmers has also become significant, adding to the weakening of the quality and quantity of human resources. Lack of agricultural machineries still exists. In fact, the “man-hunting” problem of the agricultural sector from the nonagricultural sector is becoming serious.