Freelancer:
 | Jan G. Bokhorst MSc.Senior Researcher Soil fertilityT: +31(0)343 523860 (General) |
Publication(s) by Bokhorst
Articles in scientific journals (4)
Proceedings etc. (12)
Brochures, books & reports (42)
Specialist journal articles, leaflets, newsletters, etc (42)
Scientific publications |
 Eekeren, N.J.M. van, H. de Boer, M.C. Hanegraaf, J.G. Bokhorst, D. Nierop, J. Bloem, T. Schouten, R.G.M. de Goede and L. Brussaard. 2010. Ecosystem services in grassland associated with biotic and abiotic soil parameters. Soil Biology & Biochemistry. 42(9):1491-1504. DOI: 10.1016/j.soilbio.2010.05.016  More information |
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 Hoogenboom, L.A.P., J.G. Bokhorst, M. Northolt, L.P.L. van de Vijver, N.J.G. Broex, D.J. Mevius, J.A.C. Meijs and J. van der Roest. 2008. Contaminants and microorganisms in Dutch organic food products: A comparison with conventional products. Food Additives & Contaminants. 25(10):1197-1209. More information |
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| Franz, E., A. Semenov, A. Termorshuizen, J.G. Bokhorst and A. van Bruggen. 2007. Manure-amended soil characteristics affecting the survival of E. coli O157:H7 in 36 Dutch soils. Environmental Microbiology. , p. 313-327. More information |
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 Koopmans, C.J. and J.G. Bokhorst. 2002. Nitrogen mineralisation in organic farming systems: a test of the NDICEA model. Agronomie. 22(7-8):855-862. DOI: 10.1051/agro:2002046 Download full text pdf, 2,2 MB; opens in new window More information |
Proceedings etc. |
| Eekeren, N.J.M. van, J.G. Bokhorst, L. Brussaard and C.J. Koopmans. 2011. Effect of grass-clover on the ecosystem services soil structure maintenance and water regulation. p. 44-47. In: Organic is Life - Knowledge for Tomorrow. Proceedings of the Third Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR). Namyangju, Korea. 28 September - 1 October 2011. Download full text pdf, 110 kB; opens in new window More information |
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| Eekeren, N.J.M. van, J.G. Bokhorst and L. Brussaard. 2010. Roots and earthworms under grass, clover and a grass-clover mixture. p. 27-30. In: 19th World Congress of Soil Science, Soil Solutions for a Changing World. Brisbane, Australia. 1 - 6 August 2010. Download full text pdf, 140 kB; opens in new window More information |
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| Eekeren, N.J.M. van, L. Bommele, J.G. Bokhorst, T. Schouten, D. Reheul and L. Brussaard. 2010. Anecic earthworms and associated ecosystem services in a ley-arable crop rotation. p. 8-11. In: 19th World Congress of Soil Science, Soil Solutions for a Changing World. Brisbane, Australia. 1- 6 August 2010. Download full text pdf, 140 kB; opens in new window More information |
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 Zanen, M., J.G. Bokhorst and C.J. Koopmans. 2008. Soil fertility and biodiversity effects from organic amendments in organic farming. p. 94-97. In: Second scientific conference of the International Society of Organic Agricultural Research (ISOFAR). Modena, Italy. 18-20 June 2008. Download full text pdf, 33 kB; opens in new window More information |
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| Koopmans, C.J., M. Zanen and J.G. Bokhorst. 2008. Organic fertilisers of the MAC trial and their impact on soil quality, environment and climate change. p. 67-69. In: The 5th International Scientific Conference on Sustainable Farming Systems - ECOMIT. Piestany, Slovakia. November 5-7, 2008. Download full text pdf, 1,5 MB; opens in new window More information |
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| Vijver, L.P.L. van de, L.A.P. Hoogenboom, N.J.G. Broex, J. van der Roest, J.G. Bokhorst, M. Northolt, D.J. Mevius and J.A.C. Meijs. 2006. Contaminants and micro-organisms in organic and conventional food products. In: Joint Organic Congress. Odense, Denmark. 30-31 May 2006. Download full text pdf, 18 kB; opens in new window More information |
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| Heeres, E., J.G. Bokhorst and C.J. Koopmans. 2001. Compost and manure: a source of value. p. 101-102. In: 11th Nitrogen workshop. Reims, France. 9-12 september 2001. More information |
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| Koopmans, C.J., E. Heeres and J.G. Bokhorst. 2001. Nitrogen mineralization in organic farming systems: validation of the NDICEA model. p. 403-404. In: 11th Nitrogen workshop. Reims, France. 9-12 september 2001. More information |
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| Koopmans, C.J. and J.G. Bokhorst. 2000. Optimising organic farming systems: nitrogen dynamics and long-term soil fertility in arable and vegetable production systems in the Netherlands. p. 66-72. In: 13th IFOAM Scientific Conference. Basel, Switserland. More information |
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| Koopmans, C.J. and J.G. Bokhorst. 2000. Organic farming systems: effects on C-N pools and processes. p. 258. In: Annual meeting abstracts SSSA. Minneapolis, Minnesota. Nov 5-9, 2000. More information |
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| Koopmans, C.J. and J.G. Bokhorst. 2000. Tools and strategies to improve highly intensive organic vegetable production in de Netherlands. p. 82. In: Annual meeting abstracts SSSA. Minneapolis, Minnesota. Nov 5-9, 2000. More information |
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| Koopmans, C.J., J.G. Bokhorst, C. Bloemhard and W. Voogt. 2000. Organic Greenhouses and Sustainability. p. 212. In: 13th IFOAM Scientific Conference. 2000. More information |
Brochures, books & reports |
 Koopmans, C.J., J.G. Bokhorst, C. ter Berg and N.J.M. van Eekeren. 2015. Soil Signals: A practical guide to a fertile soil. Roodbond, Zutphen. 96 p. More information |
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 Eekeren, N.J.M. van, J.G. Bokhorst, J.G.C. Deru and J. de Wit. 2014. Earthworms on the dairy farm: Guide for recognition, use and management. (In Dutch.). Louis Bolk Instituut, Driebergen. 40 p. Download full text pdf, 4,5 MB; opens in new window More information |
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 Bokhorst, J.G. and G.J.H.M. van der Burgt. 2012. Organic matter management and nitrogen supply of Dutch arable soils. (In Dutch, with English abstract.). Rep. 2012-017 LbP. Louis Bolk Instituut, Driebergen. 21 p. Download full text pdf, 350 kB; opens in new window More information |
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 Koopmans, C.J., J.G. Bokhorst, C. ter Berg and N.J.M. van Eekeren. 2012. Soil Signals: A practical guide to a fertile soil. (In Dutch, with English abstract.). Roodbond, Zutphen. 96 p. More information |
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 Timmermans, B.G.H., W. Sukkel and J.G. Bokhorst. 2012. Grow at low phosphate levels in organic farming; backgrounds and literature study. (In Dutch.). Rep. 2012-029 LbP. Louis Bolk Instituut, Driebergen. 32 p. Download full text pdf, 0,52 MB; opens in new window More information |
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 Faber, J.H., H. Wösten, G. Bakker, J.G. Bokhorst, E. Hummelink, I. Laros, N. van den Brink, J.G.C. Deru, B. Luske and N.J.M. van Eekeren. 2012. Drought Resistance of grassland in the Dutch ’Gelderlandse Vallei’. (In Dutch.). Rep. Alterra-rapport 2373. Alterra Wageningen UR, Wageningen. 112 p. Download full text pdf, 3,1 MB; opens in new window More information |
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 Bokhorst, J.G. 2011. Fertilizer use on organic arable and horticultural farms on phosphate rich soils. (In Dutch.). Rep. 2011-001 LbP. Louis Bolk Instituut, Driebergen. 51 p. Download full text pdf, 1,1 MB; opens in new window More information |
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 Burgt, G.J.H.M. van der, C. ter Berg, J. van Strien and J.G. Bokhorst. 2011. Nitrogen supply out of Cut&Carry Fertilizers. (In Dutch.). Rep. 2011-008-LpB. Louis Bolk Instituut, Driebergen. 31 p. Download full text pdf, 240 kB; opens in new window More information |
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 Burgt, G.J.H.M. van der, P.H.M. Dekker, W.C.A. van Geel, J.G. Bokhorst and W. van den Berg. 2011. Organic matter sustainability. Final report 2010. (In Dutch.). Rep. PPO 448. Praktijkonderzoek Plant & Omgeving / DLO, Wageningen. 72 p. Download full text pdf, 4,4 MB; opens in new window More information |
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| Bokhorst, J.G. and J.J.M. Staps. 2010. Follow-up study increased nickel levels in ground water in the Flevoland province. (In Dutch.). Louis Bolk Instituut, Driebergen. 29 p. More information |
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 Eekeren, N.J.M. van and J.G. Bokhorst. 2010. Soil quality and climate adaptation on sandy grassland soils in the Dutch province of Utrecht. (In Dutch.). Rep. 2010-031LbD. Louis Bolk Instituut, Driebergen. Download full text pdf, 1,1 MB; opens in new window More information |
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 Dekker, P.H.M., W.C.A. van Geel, W. van den Berg, G.J.H.M. van der Burgt and J.G. Bokhorst. 2010. Sustainability of organic matter. (In Dutch.). Rep. PPO nr 3250142109. Praktijkonderzoek Plant en Omgeving, business unit AGV, Lelystad. 62 p. Download full text pdf, 9,1 MB; opens in new window More information |
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| Eekeren, N.J.M. van and J.G. Bokhorst. 2009. Beoordeling bodemkwaliteit zandgrond: Een inventarisatie van bodemindicatoren voor de veehouderij. Rep. LV77. Louis Bolk Instituut, Driebergen. 61 p. Download full text pdf, 230 kB; opens in new window More information |
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 Bokhorst, J.G., C. ter Berg, M. Zanen and C.J. Koopmans. 2008. Mest, compost en bodemvruchtbaarheid: 8 jaar proefveld Mest als Kans. Rep. LD10. Louis Bolk Instituut, Driebergen. 28 p. Order Price: €6; Order code:LD10; opens in new window Download full text pdf, 4,8 MB; opens in new window More information |
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 Bokhorst, J.G., C. ter Berg, M. Zanen and C.J. Koopmans. 2008. The MAC trial: Results from a long-term organic inputs trial. Rep. LD10E. Louis Bolk Instituut, Driebergen. 24 p. Order Price: €6; Order code:LD10E; opens in new window Download full text pdf, 4,5 MB; opens in new window More information |
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 Bokhorst, J.G., Y. van Leeuwen and C. ter Berg. 2008. Bodem en bemesting in de bollenteelt. Louis Bolk Instituut, Driebergen. 39 p. Order Price: €12.50; Order code:LB22; opens in new window Download full text pdf, 4,6 MB; opens in new window More information |
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 Eekeren, N.J.M. van, J.G. Bokhorst, H. de Boer and M.H. Hanegraaf. 2008. Van schraal naar rijk zand: Beoordeling van en maatregelen voor verbetering van zandgrond op melkveebedrijven. Louis Bolk Instituut, Driebergen. 21 p. Download full text pdf, 2,7 MB; opens in new window More information |
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 Zanen, M., J.G. Bokhorst, C. ter Berg and C.J. Koopmans. 2008. Investing down to the soil. (In Dutch, with English abstract.). Rep. LD11. Louis Bolk Instituut, Driebergen. 40 p. Order Price: €0; Order code:LD11; opens in new window Download full text pdf, 0,85 MB; opens in new window More information |
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 Zanen, M., J.G. Bokhorst, C. ter Berg and C.J. Koopmans. 2008. Strategieën voor duurzaam bodemmanagement: Ervaringen uit de biologische landbouw. Rep. LD12. Louis Bolk Instituut, Driebergen. Order Price: €6; Order code:LD12; opens in new window Download full text pdf, 3,7 MB; opens in new window More information |
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| Timmermans, B.G.H., Y.A. Holthuijzen and J.G. Bokhorst. 2008. Phosphate fertilizer made out of sewage sludge: Possibilities for testing and application of phosphate fertilizer made out of sewage sludge by SNB. 33 p. More information |
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| Zanen, M., C.J. Koopmans, J.G. Bokhorst and C. ter Berg. 2008. Special Fertilisation: Successful strategies for sustainable soil management. (In Dutch, with English abstract.). Rep. LD13. Louis Bolk Instituut, Driebergen. 73 p. Download full text pdf, 2,1 MB; opens in new window More information |
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| Bokhorst, J.G. 2007. Compostering van natuurgras in het gebied van de Drentsche Aa. Rep. LB15. Louis Bolk Instituut, Driebergen. 22 p. Download full text pdf, 11,3 MB; opens in new window More information |
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| Bokhorst, J.G., F.W. Smeding and G. Iepema. 2007. Composteren van natuurgras bij Schokland in 2006: Experiment in het kader van het project Nut en Natuur. Louis Bolk Instituut, Driebergen. 38 p. More information |
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 Bokhorst, J.G. 2006. Bodem onder het Landschap: Ontdek het fundament van natuur en boerenland. Uitgeverij Roodbont, Zutphen. 136 p. More information |
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| Bokhorst, J.G., E. Heeres, C. ter Berg and N.J.M. van Eekeren. 2006. Bodem in Zicht: Beoordelen en verbeteren van de bodemkwaliteit. Louis Bolk Instituut, Driebergen. Order Price: €0; Order code:LB13; opens in new window More information |
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| Hoogenboom, L.A.P., J.G. Bokhorst, M. Northolt, N.J.G. Broex and D.J. Mevius. 2006. Contaminanten en micro-organismen in biologische producten: Vergelijking met gangbare producten. Rep. 002. Rikilt, Wageningen. 102 p. Download full text pdf, 1,5 MB; opens in new window More information |
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| Franz, E., M. Klerks, A. Termorshuizen, J.G. Bokhorst and A. van Bruggen. 2006. Pathogenen in de primaire productieketen van bladgroenten. Rep. Infectieziektenbulletin 11. Rivm. More information |
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 Cuijpers, W.J.M., J.G. Bokhorst, C.J. Koopmans, W. Voogt and F. Zoon. 2005. Soil and soil fertility – Biokas 2005: A healthy soil forms the basis of successful crop production. (In Dutch, with English abstract.). DLV biologische landbouw, Louis Bolk Instituut en Praktijkonderzoek Plant & Omgeving. 28 p. Download full text pdf, 7,4 MB; opens in new window More information |
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| Cuijpers, W.J.M., J.G. Bokhorst, C.J. Koopmans, W. Voogt and F. Zoon. 2005. Bodem & Bemesting: Gezonde bodem basis voor geslaagde teelt. Louis Bolk Instituut, Driebergen. More information |
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| Joldersma, R., J.G. Bokhorst, E. Heeres, C.J. Koopmans and C. ter Berg. 2003. Hoe geef ik een cursus bodembeoordeling: Een handleiding voor cursusleiders. Louis Bolk Instituut, Driebergen. 54 p. Download full text pdf, 0,64 MB; opens in new window More information |
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 Bokhorst, J.G. and G.J.H.M. van der Burgt. 2002. Organic farming systems research at the OBS and Meterik experimental farms, 1996-1999: A study within the framework of the GBP farming systems research programme. (In Dutch.). Louis Bolk Instituut, Driebergen. 148 p. Download full text pdf, 33,3 MB; opens in new window More information |
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| Bokhorst, J.G. and C. ter Berg. 2001. Handboek Mest en Compost. Louis Bolk Instituut, Driebergen. More information |
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| Bokhorst, J.G. and C.J. Koopmans. 2001. Bemesting en bodemgebruik in de biologische landbouw: Stand van zaken en knelpuntenanalyse. Louis Bolk Instituut, Driebergen. 81 p. Download full text pdf, 0,9 MB; opens in new window More information |
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| Bokhorst, J.G. 2000. Bemesting in de biologische bollenteelt. Rep. LT28. Louis Bolk Instituut, Driebergen. 30 p. More information |
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| Bokhorst, J.G. 1999. Voorspelling van stikstofmineralisatie met het model Ndicea: Beheer van organische stof in open biologische, ecologische en geïntegreerde teeltsystemen. Rep. AB-DLO Rapport 102. AB-DLO. More information |
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| Steinbuch, L. and J.G. Bokhorst. 1999. Composteringsproces, techniek van het composteren, diverse composteringsmethoden. Louis Bolk Instituut, Driebergen. 15 p. More information |
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| Bokhorst, J.G. and G. Oomen. 1998. Bemesting in de biologische glastuinbouw. Analyse van de stikstofdynamiek in enkele biologische kassen. Rep. LT19. Louis Bolk Instituut, Driebergen. 37 p. More information |
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| Bokhorst, J.G. 1996. Biologische kasgroenteteelt. Een probleemverkennende studie. Rep. LT15. Louis Bolk Instituut, Driebergen. 110 p. Order Price: €9.3; Order code:LT15; opens in new window More information |
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| Bokhorst, J.G., J.R. Bloksma and E.T. Lammerts van Bueren. 1992. Biologische teelt van prei. Louis Bolk Instituut, Driebergen. 36 p. Order Price: €5.85; Order code:LT11; opens in new window More information |
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| Bokhorst, J.G., J.R. Bloksma and E.T. Lammerts van Bueren. 1992. Biologische teelt van spruitkool. Louis Bolk Instituut, Driebergen. 40 p. More information |
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| Lammerts van Bueren, E.T., J.R. Bloksma and J.G. Bokhorst. 1992. Biologische teelt van kropsla en ijssla. Louis Bolk Instituut, Driebergen. 52 p. More information |
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| Lammerts van Bueren, E.T. and J.G. Bokhorst. 1988. Plastic folie; milieu-aspecten, kwaliteit van kropsla en de werking van biologisch-dynamische spuitpreparaten. Rep. LT01. Louis Bolk Instituut, Driebergen. 35 p. Order Price: €3.58; Order code:LT01; opens in new window More information |
Specialist journal articles, newsletters, etc |
 Bokhorst, J.G. and L. Janmaat. 2013. Organic agriculture well equipped for phosphate cycling: good soil structure and healthy soil life are a source of phosphate. (In Dutch.). Ekoland. 33(7/8):22-23. Download full text pdf, 0,59 MB; opens in new window More information |
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 Bokhorst, J.G., P. Belder, M. Zanen, N.J.M. van Eekeren, J.G.C. Deru, S. Bernaerts, K. Froma, J. van Vliet, C. ter Berg and G.J.H.M. van der Burgt. 2012. Newsletter Soil Academy #13: Special non-inverting tillage. (In Dutch.). Louis Bolk Instituut; CLM, Driebergen; Culemborg. Download full text pdf, 0,55 MB; opens in new window More information |
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 Rietberg, P.I., H. Kloen, J.G. Bokhorst, G. Kuneman, E. van Essen, P. Belder, F. Morel, P. Rombouts, H. Oosterbaan and G.J.H.M. van der Burgt. 2012. Newsletter Soil Academy #14. (In Dutch.). Louis Bolk Instituut; CLM, Driebergen; Culemborg. More information |
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 Eekeren, N.J.M. van, J.G.C. Deru, G.J.H.M. van der Burgt and J.G. Bokhorst. 2012. Much variation in grass rooting on agricultural land. (In Dutch.). V-focus. April 2012, p. 32-33. Download full text pdf, 1,5 MB; opens in new window More information |
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 Leendertse, P., W.J.M. Cuijpers, L. Janmaat, N.J.M. van Eekeren, A. Lommen, A. Guldemond, J.G. Bokhorst, H. Kloen and B. Aasman. 2012. Newsletter Soil Academy #15. (In Dutch.). Louis Bolk Instituut; CLM, Driebergen; Culemborg. More information |
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 Bokhorst, J.G., E. Hees, M.M. Bos, B.G.H. Timmermans and P. Belder. 2011. Newsletter Soil Academy #12. (In Dutch.). Louis Bolk Instituut; CLM, Driebergen; Culemborg. Download full text pdf, 260 kB; opens in new window More information |
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 Bokhorst, J.G., J.G.C. Deru, N.J.M. van Eekeren, J. Visscher, H. Schilder, W. Dijkman, E. de Lijster and J. de Wit. 2011. Nieuwsbrief Bodemacademie #10. Louis Bolk Instituut; CLM, Driebergen; Culemborg. Download full text pdf, 5,5 MB; opens in new window More information |
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 Bokhorst, J.G., K. Blok, E. van Essen, E. Elferink, G. Kuneman, P. Kuikman, G.J.H.M. van der Burgt, L. Vlaar, E. Hees and J.J.M. Staps. 2011. Newsletter Soil Academy #9. (In Dutch.). Louis Bolk Instituut; CLM, Driebergen; Culemborg. Download full text pdf, 5,4 MB; opens in new window More information |
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 Vliet, J. van, J.G. Bokhorst, H. Oosterbaan and G.J.H.M. van der Burgt. 2011. Newsletter Soil Academy #11. (In Dutch.). Louis Bolk Instituut; CLM, Driebergen; Culemborg. Download full text pdf, 3,5 MB; opens in new window More information |
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 Janmaat, L., J.G. Bokhorst, C. Rougoor, W. Chardon, P. van Erp, A. Reijneveld, R. Postma, B.G.H. Timmermans and G.J.H.M. van der Burgt. 2010. Nieuwsbrief Bodemacademie #6: Special fosfaat. Louis Bolk Instituut; CLM, Driebergen; Culemborg. Download full text pdf, 3,1 MB; opens in new window More information |
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 Staps, J.J.M., M. Zanen, A. Visser, H. Kloen, J.G. Bokhorst, L. Janmaat and G.J.H.M. van der Burgt. 2010. Nieuwsbrief Bodemacademie #7. Louis Bolk Instituut; CLM, Driebergen; Culemborg. Download full text pdf, 2,7 MB; opens in new window More information |
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| Bokhorst, J.G. and Y. van Leeuwen. 2009. Meer aandacht voor bodemkwaliteit bij bollenteelt op zandgrond. BloembollenVisie. feb. 2009, p. 20-21. More information |
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 Vliet, J. van, J.G. Bokhorst, J.J.M. Staps, L. Janmaat and Bodemadvies DLV Plant. 2009. Nieuwsbrief Bodemacademie #5. Louis Bolk Instituut; CLM, Driebergen; Culemborg. Download full text pdf, 2,1 MB; opens in new window More information |
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 Janmaat, L., M.M. Bos, J.G. Bokhorst, G.J.H.M. van der Burgt, A. Visser and J. Thoelen. 2009. Nieuwsbrief Bodemacademie #3. Louis Bolk Instituut; CLM, Driebergen; Culemborg. Download full text pdf, 1,6 MB; opens in new window More information |
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 Iepema, G., F.W. Smeding and J.G. Bokhorst. 2008. Compostwijzer: Compost maken in vier stappen. Louis Bolk Instituut, Driebergen. 7 p. Download full text pdf, 1,4 MB; opens in new window More information |
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| Bokhorst, J.G. 2007. Visuele beoordeling van de bodem. Bodem. , p. 249-252. More information |
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| Bokhorst, J.G. and L. Janmaat. 2006. Kwaliteit biologische peen loopt achteruit: Nog onvoldoende inzicht in stikstofdynamiek bodem. Ekoland. , p. 24-25. More information |
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| Zanen, M. and J.G. Bokhorst. 2006. Nieuwsbrief Bijzondere Bemesting 5: Nummer 5, maart 2006. Louis Bolk Instituut, Driebergen. Download full text pdf, 1,4 MB; opens in new window More information |
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| Zanen, M. and J.G. Bokhorst. 2006. Nieuwsbrief Bijzondere Bemesting 6: Nummer 6, september 2006. Louis Bolk Instituut, Driebergen. Download full text pdf, 120 kB; opens in new window More information |
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| Hanegraaf, M.H., M. de Haas, J.G. Bokhorst, N.J.M. van Eekeren and H. de Boer. 2006. Kwart percelen loopt risico op dalend organisch stofgehalte. V-focus. Augustus 2006, p. 24-26. More information |
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| Eekeren, N.J.M. van, J.G. Bokhorst, H. de Boer and M.C. Hanegraaf. 2005. Kwaliteit grond is meer dan een goede bemestingstoestand. V-focus. Download full text pdf, 0,9 MB; opens in new window More information |
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| Zanen, M. and J.G. Bokhorst. 2005. Nieuwsbrief Bijzondere Bemesting 4: Nummer 4, juni 2005. Nieuwsbrief Bijzondere Bemesting #4. Download full text pdf, 180 kB; opens in new window More information |
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| Zanen, M. and J.G. Bokhorst. 2004. Nieuwsbrief Bijzondere Bemesting 3: Nummer 3, november 2004. Nieuwsbrief Bijzondere Bemesting #3. Download full text pdf, 1,4 MB; opens in new window More information |
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| Bokhorst, J.G. 2001. De beoordeling van mest en compost. Ekoland. 2001-2, p. 24-25. More information |
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| Bokhorst, J.G. and C. ter Berg. 2001. Bemesten moet anders. Ekoland. 21(11):20-21. Download full text pdf, 70 kB; opens in new window More information |
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| Bokhorst, J.G. and J. van Erp. 2001. Kan de organische mestkeuze op biologische landbouwbedrijven beter worden afgestemd op de behoefte? In (ed.) Meststoffen. More information |
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| Koopmans, C.J., J.G. Bokhorst and A. van den Bos. 2001. Bemesting in de glastuinbouw. Afstemming op gewasbehoefte eerste vereiste. Ekoland. 21(7/8):24-25. Download full text pdf, 90 kB; opens in new window More information |
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| Bokhorst, J.G. and C.J. Koopmans. 2000. Stikstoflevering uit de bodem: Meer aandacht voor verontachtzaamde stikstofbron. 2000-4, p. 25-27. More information |
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| Bokhorst, J.G. and L. Steinbuch. 2000. Ziektewerend vermogen van de bodem. Ekoland. 2000, p. 18-19. Download full text pdf, 70 kB; opens in new window More information |
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| Bokhorst, J.G. 1999. Beoordeling van de eigenschappen van mest en compost bij toepassing in de biologische bollenteelt. Louis Bolk Instituut, Driebergen. 6 p. More information |
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| Bokhorst, J.G. 1999. Computersimulatie stikstoflevering demonstratieveld ‘Mest als kans’. Louis Bolk Instituut, Driebergen. 6 p. More information |
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| Bokhorst, J.G. 1999. Landbouwkundige beoordeling van vaste mest en compost. Louis Bolk Instituut, Driebergen. 6 p. More information |
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| Bokhorst, J.G. 1999. Mest als kans. Dynamisch Perspectief. 1999-3, p. 10. More information |
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| Bokhorst, J.G. 1999. Mest als kans wil invloed en waarde meststoffen aantonen. Ekoland. 1999 7/8, p. 18-19. More information |
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| Bloksma, J.R. and J.G. Bokhorst. 1999. Profielkuil geeft inzicht in bodemstructuur. Ekoland. 1999-2, p. 16-17. More information |
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| Steinbuch, L. and J.G. Bokhorst. 1999. Overleven van ziektekiemen tijdens het composteren. Louis Bolk Instituut, Driebergen. 9 p. More information |
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| Steinbuch, L. and J.G. Bokhorst. 1999. Ziektewerendheid van compost. Louis Bolk Instituut, Driebergen. 8 p. More information |
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| Bokhorst, J.G. 1998. Verfijning van de N-bemesting in de biologische landbouw met behulp van het model N-DiCEA. Meststoffen. 1997/1998, p. 40-46. More information |
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| Bokhorst, J.G. and W. van Egteren. 1998. Structuur Nederlandse bodem verre van ideaal.: Teler repareert alles behalve de structuur van de grond. Oogst Plus Akker. oktober 1998, p. 4-5. More information |
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| Bokhorst, J.G. 0. Vragen rond compostering: Beoordelingskaart compostering. 2 p. More information |
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| Bokhorst, J.G. and L. Steinbuch. 0. De beoordeling van mest en compost: Overzicht van analyseresultaten van 7 mest- en compostmonsters bij 11 laboratoria. More information |
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| Steinbuch, L. and J.G. Bokhorst. 0. Compostering van stalmest op de Hondspol: case study. 3 p. More information |
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