Improved water and fertilizer integrated equipment

The utility model discloses improved water and fertilizer integrated equipment. Liquid fertilizer box, one side of the liquid fertilizer box is communicated with a filtering assembly; the filtering assembly comprises a first connecting pipe, a lantern ring, a rubber ring, a fixing ring, a second connecting pipe, a first circular ring, a first fixing frame, a filter screen, a second fixing frame, asecond circular ring and a support, the rubber rings are arranged on the two sides of the fixing ring, the inner ring of the fixing ring is fixedly connected with the first circular ring, and the lantern ring is welded to the side, close to the fixing ring, of the first circular ring; the filter screen is arranged in the pipeline; solid fertilizers or impurities are filtered out by the filter screen; meanwhile, the filter screen is arranged in the first circular ring and the second circular ring; the first circular ring and the second circular ring are in threaded connection and are clamped between the first connecti