Farming during turbulent times: agriculture, food crops, and manuring practices in Bronze Age to Viking Age Denmark by Hald, MM, Styring, AK, Mortensen, MF, Maltas, T, Vidas, D, Henriksen, PS, Pihl, A, Jensen, PM, Christensen, LB, Hansen, J, Dollar, S, Egeberg, T, Lundø, MB, Haue, N, Hertz, E, Iversen, RB, Jørgensen, T, Kristensen, IK, Klassen, L, Møller, NA, Pedersen, VJ, Ravn, M, Vestergaard, K, Jessen, MD