I have a medium sized fish pond in my front yard that gets covered with duckweed in the summer. This pond happen to be frequented by racoons that use the area as a latrine. Both of these being near to impossible to get rid of. To clean up the racoon's mess which can some times stick to the surrounding rocks and plants I simply wash down with a hose into the pond feeding the duckweed which flourishes as the result of this food source. When the duckweed becomes a problem in the pond I remove it with a garden rake and throw it in a pile. Now I am thinking of using this as a fertilizer around the yard. Should it be dried first or put directly around the plants?
Either will do. If using it on food crop plants, compost it first, in case there's any nasty micoorganisms in from the raccoon turds.