To ensure the stability of water in agriculture, the amount required to develop water conservancy facilities and irrigation as early as from the first year of Yong concept
Thus in agriculture in order to ensure a stable water supply shall develop other water conservancy facilities, the first concept from the first year of use Yong had water facilities
Therefore, in agriculture to ensure the water stability, should be the development of water conservancy facilities, from the earliest in the first year alone, Yong concept of water conservancy facilities