wheaton ill 60187 was used the body of nozzle 10 extends through the wall of applicator body 1 see fig5 nozzle bodies 10 are spaced horizontally on 10 inch centers along the back edge of body 1 with spacing dependent upon the type of spray nozzles used recovery reservoir 11 is constructed from a length of sheet aluminum with dimensions of 2 5 inches by 5 inches and bent to a 62 u00b0 angle see fig6 in the bottom and at both ends of recovery reservoir 11 drain holes 23 see fig1 are drilled and a 0 5 inch aluminum pipe coupling 12 is attached over drain hole 3 to hook up the agricultural chemical return system a rear view of applicator body 1 with external chemical return system is shown in fig2 a standard tank 13 suitable for agricultural chemical solutions serves as a source for agricultural solutions to be applied to plants agricultural pump 14 moves agricultural solution from tank 13 to solution regulator 15 regulator 15 allows a determined volumn of solution under predetermined pressure to flow thru hose 16 to nozzle bodies 10 which are mounted in back of applicator body 1 nozzles 10 inside applicator body 1 spray apply agricultural solution to the back of carpet 7 which is mounted on the front of applicator body 1 and any excess solution flows downward by gravity to applicator reservoir 11 in this manner carpet 7 is super saturated with agricultural chemical and is constantly dripping excess agricultural chemical into recovery reservoir 11 saturated carpet 7 is brought into contact with the weeds to be killed by means of moving the mechanism across the agricultural field to be.