Point-to-point land improving and water saving planting method

The invention discloses a point-to-point land improving and water saving planting method. The method comprises the following steps: 1. firstly, digging wide ditches or wide pits uniformly on the land at intervals, wherein the interval between the ditches or between the pits is 3-5 meters; 2. then digging narrow ditches or narrow pits at the bottoms of the wide ditches or the wide pits respectively, laying waterproof breathable films at the bottoms of the narrow ditches or the narrow pits respectively and putting the plant seeds on the two opposite side walls of the narrow ditches or the narrow pits respectively; and 3. filling soil and compound fertilizers, which are mixed uniformly, into the narrow ditches or the narrow pits, elevating the top surface of the soil until the middle parts in the wide ditches or the wide pits and then laying mulching films on the top surface of the soil. The method is especially suitable for vast sandy wasteland regions and is beneficial to afforestation or construction of deser