Feb. 3—How much mulch can you get from 6,000 Christmas trees? More than 90,000 pounds, the Public Service Company of New Mexico found out this year. Albuquerque and Rio Rancho residents recycled 6,173 Christmas trees across four locations for PNM to turn into mulch, according to a news release sent last week from PNM. The utility partners with Albuquerque and Rio Rancho annually to grind the …