Water-saving apparatus for root feeder

The utility model discloses a root-irrigation water economizer, which is characterized in that: a water input cylinder cover and a water output cylinder cover are arranged at two ends close to an inner cylinder sleeve, an opening is arranged on the water input and the water output cylinder cover, one part of the inner cylinder cover is laid in the outer cylinder cover, a single-direction valve is arranged at the position of the water output cylinder cover of the inner cylinder cover, a cylinder cover is arranged at one end of the outer cylinder cover, an opening is arranged on the cylinder cover, the position of the opening of the cylinder cover of the outer cylinder cover is arranged with an inlet hose. The utility model is especially suitable for using under the situation of draught and lack of water, which can make the water resource be utilized effectively, and improves the survival rate of the plant. The utility model also can pour fertilizer and pesticide, which is an ideal farm tool.