Tag Archives: biofuel

Readers weigh in

Crop residue—the leftover stalks of a previous crop—acts as a mulch to conserve water and protect the soil from eroding away. Photo by Gene Alexander/USDA Natural Resources Conservation Service
Crop residue—the leftover stalks of a previous crop—acts as a mulch to conserve water and protect the soil from eroding away. Photo by Gene Alexander/USDA Natural Resources Conservation Service

Every now and then, we get notes or calls from readers of Research/Penn State about something that ran in the magazine. Sometimes the message is a thank you or a compliment; other times it’s more critical. Either way, it’s good to know that a reader cared enough about one of our stories or images to get in touch with us about it. Continue reading Readers weigh in