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Citation: P. De Willigen et al., Modelling water and nutrient uptake, ROOT METHODS: A HANDBOOK, 2000, pp. 509-543

Authors: Heinen, M de Willigen, P

Citation: M. Heinen et P. De Willigen, Adsorption and accumulation of Na in recirculating cropping systems, ACTA HORT, (507), 1999, pp. 181-187

Authors: Everaarts, AP de Willigen, P

Citation: Ap. Everaarts et P. De Willigen, The effect of the rate and method of nitrogen application on nitrogen uptake and utilization by broccoli (Brassica oleracea var. italica), NETH J AGR, 47(3-4), 1999, pp. 201-214