LED plant growth light source with double-light gain effect

The utility model discloses an LED plant growth light source with a double-light gain effect. The LED plant growth light source comprises a mixed light source formed by packaging a blue light chip anda far-red light chip respectively and integrating the blue light chip and the far-red light chip. Wherein the blue light chip and the far-red light chip are respectively arranged in the left and right columns of supports and are respectively fixed in positive and negative electrode functional areas of the left and right columns of supports through die bonding glue and conductive silver glue, positive and negative electrodes of the blue light chip and the far-red light chip are respectively connected with the positive and negative electrode functional areas, and circuits of the positive and negative electrode functional areas are separated through PPA insulating layers of the left and right columns; and the anode and cathode functional areas are simultaneously connected with anode and cathode pins of the left and