authors Xing, Y Nopsa, John F Hernandez Andrade-Piedra, Jorge Beed, F.D. Blomme, G. Carvajal Yepes, Monica Coyne, Danny Forbes, G. A. Kreuze, Jan Kroschel, J Kumar, Lava Legg, James Parker, Monica Schulte-Geldermann, Elmar Garrett, K.
has subject area crop cropping ecology food security geography global network gravity model of trade location pathogens pests risk risk factor tropics
