The impact of the Nitrates Directive on nitrogen emissions from agriculture in the EU-27 during 2000–2008 von Velthof, G.L., Lesschen, J.P., Webb, J., Pietrzak, S., Miatkowski, Z., Pinto, M., Kros, J., Oenema, O.

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Integrated Assessment of Nitrogen Losses from Agriculture in EU-27 using MITERRA-EUROPE von Velthof, G.L, Oudendag, D, Witzke, H.P, Asman, W.A.H, Klimont, Z, Oenema, O

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Stakeholder perceptions of manure treatment technologies in Denmark, Italy, the Netherlands and Spain von Hou, Y., Velthof, G.L., Case, S.D.C., Oelofse, M., Grignani, C., Balsari, P., Zavattaro, L., Gioelli, F., Bernal, M.P., Fangueiro, D., Trindade, H., Jensen, L.S., Oenema, O.

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Integrated assessment of promising measures to decrease nitrogen losses from agriculture in EU-27 von Oenema, O., Witzke, H.P., Klimont, Z., Lesschen, J.P., Velthof, G.L.

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The impact of slurry application technique on nitrous oxide emission from agricultural soils von Velthof, G.L., Mosquera, J.

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Nitrogen and phosphorus use efficiencies and losses in the food chain in China at regional scales in 1980 and 2005 von Ma, L., Velthof, G.L., Wang, F.H., Qin, W., Zhang, W.F., Liu, Z., Zhang, Y., Wei, J., Lesschen, J.P., Ma, W.Q., Oenema, O., Zhang, F.S.

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A model for inventory of ammonia emissions from agriculture in the Netherlands von Velthof, G.L., van Bruggen, C., Groenestein, C.M., de Haan, B.J., Hoogeveen, M.W., Huijsmans, J.F.M.

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Role of nitrifier denitrification in the production of nitrous oxide von Wrage, N, Velthof, G.L, van Beusichem, M.L, Oenema, O

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Nitrous oxide emissions from silage maize fields under different mineral nitrogen fertilizer and slurry applications von Groenigen, J.W. van, Kasper, G.J, Velthof, G.L, Pol-van Dasselaar, A. van den, Kuikman, P.J

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Nitrous oxide production in grassland soils: assessing the contribution of nitrifier denitrification von Wrage, N., Velthof, G.L., Laanbroek, H.J., Oenema, O.

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Comment on Schrama et al. (2018) “Crop yield gap and stability in conventional and organic farming systems.” [Agric. Ecosyst. Environ. (256) 123–130] von van de Ven, G.W.J., Schröder, J.J., Hijbeek, R., Velthof, G.L., van Ittersum, M.K.

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Strategies to mitigate nitrous oxide emissions from herbivore production systems von Schils, R. L. M., Eriksen, J., Ledgard, S. F., Vellinga, Th. V., Kuikman, P. J., Luo, J., Petersen, S. O., Velthof, G. L.

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Mitigation of ammonia, nitrous oxide and methane emissions from manure management chains: a meta-analysis and integrated assessment von Hou, Yong, Velthof, Gerard L., Oenema, Oene

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Estimation of nitrogen losses via denitrification from a heavy clay soil under grass von van der Salm, C., Dolfing, J., Heinen, M., Velthof, G.L.

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Denitrification rates in relation to groundwater level in a peat soil under grassland von Beek, C.L. van, Hummelink, E.W.J, Velthof, G.L, Oenema, O

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Towards an agronomic assessment of N₂O emissions: a case study for arable crops von Van Groenigen, J.W, Velthof, G.L, Oenema, O, Van Groenigen, K.J, Van Kessel, C

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Differentiation of nitrous oxide emission factors for agricultural soils von Lesschen, Jan Peter, Velthof, Gerard L., de Vries, Wim, Kros, Johannes

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Permissible manure and fertilizer use in dairy farming systems on sandy soils in The Netherlands to comply with the Nitrates Directive target von Schröder, J.J., Aarts, H.F.M., van Middelkoop, J.C., Schils, R.L.M., Velthof, G.L., Fraters, B., Willems, W.J.

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Seasonal variations in nitrous oxide losses from managed grasslands in The Netherlands von Velthof, G.L. (Landbouwuniversiteit Wageningen (Netherlands). Vakgroep Bodemkunde en Plantevoeding), Brader, A.B, Oenema, O

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Nutrient losses from manure management in the European Union von Oenema, Oene, Oudendag, Diti, Velthof, Gerard L.

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