Authors: Schmidt, H Philipps, L Welsh, JP von Fragstein, P

Citation: H. Schmidt et al., Legume breaks in stockless organic farming rotations: Nitrogen accumulation and influence on the following crops, BIOL AGRIC, 17(2), 1999, pp. 159-170

Authors: Welsh, JP Philipps, L Bulson, HAJ Wolfe, M

Citation: Jp. Welsh et al., Weed control strategies for organic cereal crops, 1999 BRIGHTON CONFERENCE: WEEDS, VOLS 1-3, 1999, pp. 945-950