Catcher for intercepting nitrogen and phosphorus loss

The utility model relates to a catcher for intercepting nitrogen and phosphorus loss, which belongs to the technical field of farmland environmental protection equipment and comprises a nitrogen and phosphorus catcher outer barrel, a nitrogen and phosphorus adsorption packing barrel and an annular soil receiving disc. The catcher for intercepting nitrogen and phosphorus loss, provided by the utility model, can be quickly mounted and dismounted; construction period shortening, easy maintenance and installation, improving construction efficiency, the device is simple in process, low in cost andcapable of effectively improving the self-cleaning capacity of slope cropland non-point source pollution and achieving cyclic utilization of nitrogen and phosphorus nutrients, and different farmland runoff and leaching solution treatment effects can be achieved by filling different adsorption fillers into the nitrogen and phosphorus adsorption filler barrel according to different requirements of nitrogen and phosphorus ad