Authors: De Jager, A Onduru, D van Wijk, MS Vlaming, J Gachini, GN

Citation: A. De Jager et al., Assessing sustainability of low-external-input farm management systems with the nutrient monitoring approach: a case study in Kenya, AGR SYST, 69(1-2), 2001, pp. 99-118

Authors: Awad, MA De Jager, A Dekker, M Jongen, WMF

Citation: Ma. Awad et al., Formation of flavonoids and chlorogenic acid in apples as affected by cropload, SCI HORT A, 91(3-4), 2001, pp. 227-237

Authors: De Jager, A Nandwa, SM Okoth, PF

Citation: A. De Jager et al., Monitoring nutrient flows and economic performance in African farming systems (NUTMON) - I. Concepts and methodologies, AGR ECO ENV, 71(1-3), 1998, pp. 37-48

Authors: Van den Bosch, H De Jager, A Vlaming, J

Citation: H. Van Den Bosch et al., Monitoring nutrient flows and economic performance in African farming systems (NUTMON) - II. Tool development, AGR ECO ENV, 71(1-3), 1998, pp. 49-62