Protecting the soil beneath. Interview by Naomi Lubick.
David R
DR
Montgomery
D000383:Agriculture / Q000266:history*; D000818:Animals; D003247:Conservation of Natural Resources; D004777:Environment; D005844:Geology / Q000379:methods; D049673:History, 20th Century; D006801:Humans; D012987:Soil / Q000032:analysis*
D012987:Soil