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Joachim G.C. Deru

Joachim G.C. Deru MSc

Researcher Agrobiodiversity and Sustainable Animal Husbandry

T: +31(0)343 523860 (General)

 

Publication(s) by Deru
Articles in scientific journals (2)
Proceedings etc. (9)
Brochures, books & reports (23)
Specialist journal articles, leaflets, newsletters, etc (25)

Scientific publications

Strategic timing of nitrogen fertilization to increase root biomass and nitrogen-use efficiency of Lolium perenne L.
Boer, H.C. de, J.G.C. Deru, N.J. Hoekstra and N.J.M. van Eekeren. 2016. Strategic timing of nitrogen fertilization to increase root biomass and nitrogen-use efficiency of Lolium perenne L. Plant and Soil.
DOI: 10.1007/s11104-016-2917-y
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Genetic differences in root mass of Lolium perenne varieties under field conditions
Deru, J.G.C., H. Schilder, J.R. van der Schoot and N.J.M. van Eekeren. 2014. Genetic differences in root mass of Lolium perenne varieties under field conditions. Euphytica. 199(1-2):223-232.
DOI: 10.1007/s10681-014-1129-x
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Proceedings etc.

No Trade-off Between Root Biomass and Aboveground Production in Lolium perenne
Deru, J.G.C., H. Schilder, J.R. van der Schoot and N.J.M. van Eekeren. 2016. No Trade-off Between Root Biomass and Aboveground Production in Lolium perenne. p. 289-292. In: Breeding in a World of Scarcity: Proceedings of the 2015 Meeting of the Section “Forage Crops and Amenity Grasses” of Eucarpia.
DOI: 10.1007/978-3-319-28932-8_43
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The effect of delayed fertilizer N application on root biomass and N uptake of Lolium perenne
Boer, H.C. de, J.G.C. Deru, N.J. Hoekstra and N.J.M. van Eekeren. 2016. The effect of delayed fertilizer N application on root biomass and N uptake of Lolium perenne. p. 388-390. In: EGF 2016: 26th EGF General Meeting on "The Multiple Roles of Grassland in the European Bioeconomy". Trondheim, Norway. 4-8 September.
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Rooting of permanent grassland in relation to build-up of soil organic matter for climate mitigation
Iepema, G., J.G.C. Deru, N.J. Hoekstra and N.J.M. van Eekeren. 2016. Rooting of permanent grassland in relation to build-up of soil organic matter for climate mitigation. p. 777-779. In: EGF 2016: 26th EGF General Meeting on "The Multiple Roles of Grassland in the European Bioeconomy". Trondheim, Norway.
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No trade-off between root biomass and aboveground production in Lolium perenne
Deru, J.G.C., H. Schilder, J.R. van der Schoot and N.J.M. van Eekeren. 2015. No trade-off between root biomass and aboveground production in Lolium perenne. p. 395-397. In: EGF 2015. Wageningen, The Netherlands. 15-17 June 2015.
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Reduced tillage for silage maize on sand and clay soils: effect on yield and soil organic matter
Deru, J.G.C., H.A. van Schooten, H. Huiting and R. van der Weide. 2015. Reduced tillage for silage maize on sand and clay soils: effect on yield and soil organic matter. p. 398-400. In: EGF 2015. Wageningen, The Netherlands. 15-17 June 2015.
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White clover content and grassland productivity in simulated grazing systems
Eekeren, N.J.M. van, M. Hoogsteen, J.G.C. Deru, J. de Wit and E. Lantinga. 2015. White clover content and grassland productivity in simulated grazing systems. p. 484-486. In: EGF 2015. Wageningen, The Netherlands. 15-17 June 2015.
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Root depth and biomass of tall fescue vs. perennial ryegrass
Cougnon, M., J.G.C. Deru, N.J.M. van Eekeren, J. Baert and D. Reheul. 2013. Root depth and biomass of tall fescue vs. perennial ryegrass. p. 285-287. In: EGF - The Role of Grasslands in a Green Future. Akureyri, Iceland. 26 June 2013.
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Rooting density of three grass species and eight Lolium perenne varieties
Deru, J.G.C., N.J.M. van Eekeren and H. de Boer. 2012. Rooting density of three grass species and eight Lolium perenne varieties. p. 604-606. In: Grassland - a European resource? 24th General Meeting of the European Grassland Federation. Lublin, Poland. 3–7 June 2012.
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Total number of enchytraeids in the soil predicts the response of grasslands N yield to N fertilization on sandy soils
Eekeren, N.J.M. van and J.G.C. Deru. 2012. Total number of enchytraeids in the soil predicts the response of grasslands N yield to N fertilization on sandy soils. p. 640-642. In: Grassland - a European resource? 24th General Meeting of the European Grassland Federation. Lublin, Poland. 3–7 June 2012.
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Brochures, books & reports


Duurzaam bodembeheer maïs: Maïs en Bodem jaarrapport 2016
Riemens, M., H. Huiting, J.G.C. Deru, H.A. van Schooten and R. van der Weide. 2017. Duurzaam bodembeheer maïs: Maïs en Bodem jaarrapport 2016. Louis Bolk Instituut, Driebergen. 63 p.
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Woelen van blijvend grasland op een zandgrond
Boer, H. de, J.G.C. Deru and N.J.M. van Eekeren. 2016. Reducing soil compaction in permanent grassland: effects of sward-lifting on soil structure, root systems and grass yield. (In Dutch.). Wageningen UR, Livestock Research, Wageningen. 50 p.
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Bodemkwaliteit op veengrond
Eekeren, N.J.M. van, J.G.C. Deru, F. Lenssinck and J. Bloem. 2016. Peat soil: Effects of three measures on soil quality. (In Dutch.). Rep. 2016- 013 LbD. Louis Bolk Instituut, Driebergen. 32 p.
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Duurzaam bodembeheer maïs: Maïs en Bodem jaarrapport 2015
Riemens, M., H. Huiting, J.G.C. Deru, H.A. van Schooten and R. van der Weide. 2016. Duurzaam bodembeheer maïs: Maïs en Bodem jaarrapport 2015. Wageningen University, Wageningen. 76 p.
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Bufferboeren: Productieve maatregelen voor meer droogtetolerantie
Eekeren, N.J.M. van, J.G.C. Deru and S. Gerdes. 2015. Productive measures to increase drought tolerance: Sustainable solutions for agriculture and water management. (In Dutch.). Rep. 2015-028 LbD. Louis Bolk Instituut, Driebergen. 40 p.
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Duurzaam bodembeheer maïs: Projectresultaten uit 2014
Riemens, M., H. Huiting, J.G.C. Deru, H.A. van Schooten, K. Verloop and R. van der Weide. 2015. Sustainable soil management maize: projectresults 2014. (In Dutch.). Stichting Dienst Landbouwkundig Onderzoek (DLO) onderzoeksinstituut Praktijkonderzoek Plant & Omgeving, Wageningen. 76 p.
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Regenwormen  op het melkveebedrijf
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.
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Duurzaam bodembeheer maïs: Projectresultaten uit 2013
Riemens, M., H. Huiting, J.G.C. Deru, H.A. van Schooten, K. Verloop, F. Aarts and R. van der Weide. 2014. Sustainable soil management maize: projectresults 2013. (In Dutch.). Rep. 3250237700. Praktijkonderzoek Plant & Omgeving, Akkerbouw, Groene ruimte en Vollegrondsgroenten, Lelystad. 76 p.
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Innovatieve maïsteelt op veengrond in Noord-Holland: Jaarrapportage 2012
Schooten, H.A. van, J.G.C. Deru and F. Parmentier. 2013. Innovative maize growing on peat soil in the Dutch province of Noord-Holland: year report 2012. (In Dutch.). WUR Livestock research, Wageningen. 17 p.
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Innovatieve maisteelt op veengrond in Noord-Holland
Schooten, H.A. van, J.G.C. Deru and F. Parmentier. 2013. Innovative maize cropping on North-Holland peat soils. (In Dutch.). WUR Livestock research, Wageningen. 27 p.
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Duurzaam bodembeheer maïs: Projectresultaten uit 2012
Riemens, M., H. Huiting, J.G.C. Deru, H.A. van Schooten, D. van der Schans, K. Verloop, F. Aarts and R. van der Weide. 2013. Sustainable soil management maize: projectresults 2012. (In Dutch.). Rep. 3250237700. Praktijkonderzoek Plant & Omgeving, Akkerbouw, Groene ruimte en Vollegrondsgroenten, Lelystad. 102 p.
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Bodemindicatoren voor duurzaam bodemgebruik in de veenweiden
Deru, J.G.C., N.J.M. van Eekeren, H. Kloen, W. Dijkman, J. van den Akker, R.G.M. de Goede, T. Schouten, M. Rutgers, S. Smits, G.A.J.M. Jagers op Akkerhuis, W. Dimmers, H. Keidel, F. Lenssinck and J. Bloem. 2012. Soil indicators for sustainable land use in peat meadow areas: Ecosystem services of agricultural and natural plots in the peat meadow area of the Dutch provinces of North Holland, South Holland and Utrecht. Part A: research report. (In Dutch, with English abstract.). Rep. 2012-005 LbD. Louis Bolk Instituut, Driebergen. 115 p.
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Delayed N re-application after grass harvest: effects on yield, N uptake and root biomass
Boer, H. de, J.G.C. Deru and N.J.M. van Eekeren. 2012. Delayed N re-application after grass harvest: effects on yield, N uptake and root biomass. Rep. Report 649. Wageningen UR Livestock Research, Lelystad. 21 p.
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Beworteling van grasland en droogtetolerantie:  Maatregelen voor een diepere beworteling.
Luske, B., J.G.C. Deru, H. Wösten, J.H. Faber and N.J.M. van Eekeren. 2012. Root development of grasslands and drought tolerance. Measures to increase root depth. (In Dutch, with English abstract.). Rep. 2012-028 LbD. Louis Bolk Instituut, Driebergen. 51 p.
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Droogteresistentie van grasland in de Gelderse Vallei
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.
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Interactief fosfaatbeheer Molenbeek - Onderzoeksopzet, maatregelen en kennisdeling
Deru, J.G.C., C.H.M. Evers, N.J.M. van Eekeren and F.T. Verhagen. 2011. Interactive phosphate management Molenbeek - Research design, measures and knowledge sharing. (In Dutch.). ZLTO/Royal Haskoning/Louis Bolk Instituut. 92 p.
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Effect van grassoort en N-bemestingsniveau op productie, beworteling en N-mineraal in de herfst: Veldproef op zandgrond met Engels Raaigras, Kropaar en Rietzwenkgras
Deru, J.G.C., N.J.M. van Eekeren, J. de Wit and H. de Boer. 2011. Effect of grass species and N-fertilization level on production, rooting and mineral N in autumn: Field trial on sandy soil with perennial ryegrass, Tall Fescue and Cocksfoot. (In Dutch, with English abstract.). Rep. 2011-017 LbD. Louis Bolk Instituut, Driebergen. 22 p.
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Terug naar de graswortel: Een betere nutrientenbenutting door een intensievere en diepere beworteling
Eekeren, N.J.M. van, J.G.C. Deru, H. de Boer and B. Philipsen. 2011. Back to the grass roots: Improving the nutrient use efficiency with a deeper and denser root system. (In Dutch.). Rep. 2011-023 LbD. Louis Bolk Instituut, Driebergen. 32 p.
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Fosfaat, de bodem als bron: Experimenten in de Kempen
Well, E.A.P. van, H. Wientjes and J.G.C. Deru. 2011. Phosphate, the soil as a source: Experiments in the Kempen region. (In Dutch.). CLM Onderzoek en advies, Culemborg. 73 p.
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Beworteling van grasland - een literatuurstudie
Deru, J.G.C., N.J.M. van Eekeren and H. de Boer. 2010. Rooting of grassland: a literature review on nutrient uptake in relation to rooting depth and density, and on potential measures to stimulate deep and dense rooting of grass. (In Dutch, with English abstract.). Rep. 2010-018LBV. Louis Bolk Instituut, Driebergen. 63 p.
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Effecten van een diepere en dichtere beworteling van gras op de N- en P- opname
Boer, H. de, N.J.M. van Eekeren and J.G.C. Deru. 2010. The effects of higher root depth and root density of ryegrass on its N and P uptake. (In Dutch, with English abstract.). Rep. 413. Wageningen UR Livestock Research, Lelystad.
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Vermindering uitspoeling nutriënten in het Drentsche Aa gebied
Prins, U., A. de Vries and J.G.C. Deru. 2010. Vermindering uitspoeling nutriënten in het Drentsche Aa gebied: Verslaglegging maatregelen op bedrijfsniveau: Demopercelen grasklaver en direct zaaien snijmaïs. Rep. 2010-017LBD. Louis Bolk Instituut, Driebergen. 23 p.
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Deru, J.G.C., L. Ellinger and N.J.M. van Eekeren. 2005. Homeopathie bij geiten: Ervaringen van biologische geitenhouders. Rep. Biogeit 1. 20 p.
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Specialist journal articles, newsletters, etc


Meten van voedsel voor weidevogelkuikens
Deru, J.G.C., J. Noordijk, B. Luske and E. Wennekens. 2016. Monitoring food availability for meadow bird chicks. (In Dutch.). Tussen Duin en Dijk. 1:14-16.
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Mest voor weidevogelgebieden in veenweiden
Deru, J.G.C., N.J.M. van Eekeren and F. Lenssinck. 2016. Manure use in peat meadow bird conservation areas: Solid fraction of separated slurry is an alternative for raw manure. (In Dutch.). V-focus. April:28-30.
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Weidevogelland moet wel worden bemest
Deru, J.G.C., N.J.M. van Eekeren and F. Lenssinck. 2016. Meadow bird conservation areas do need manure. (In Dutch.). Friesch Dagblad. 19 mei.
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Effect Ca- en Mg-meststoffen op bodemkwaliteit en grasproductie op veengrond
Deru, J.G.C., N.J.M. van Eekeren, F. Lenssinck and J. Bloem. 2016. Effect of calcium and magnesium fertilisers on soil quality and grassland production on peat soils. (In Dutch.). V-focus. Juni 2016:29-31.
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Volvelds woelen verdicht grasland op zand
Boer, H. de, B. Philipsen, J.G.C. Deru and N.J.M. van Eekeren. 2016. Volvelds woelen verdicht grasland op zand: Betere bodemstructuur en beworteling, nog geen hogere grasopbrengst. V-focus. Juni 2016, p. 26-28.
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Voedsel voor weidevogels
Luske, B. and J.G.C. Deru. 2015. Food for meadow birds: Volunteers measure food availability. (In Dutch.). Louis Bolk Instituut, Driebergen. 4 p.
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Effect onderwaterdrainage op bodemkwaliteit veenweiden
Deru, J.G.C., F. Lenssinck, I. Hoving, J. van den Akker, J. Bloem and N.J.M. van Eekeren. 2014. Effect of submerged drainage on soil quality of peat meadows. (In Dutch.). V-focus. , p. 27-29.
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Strokenteelt mais: meer organische stof en beter bodemleven
Deru, J.G.C., U. Prins and H.A. van Schooten. 2014. Strip-till in maize: more organic matter and better soil life. (In Dutch.). V-focus. april 2014, p. 16-18.
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Sorghum droogtetolerant alternatief voor snijmais
Eekeren, N.J.M. van and J.G.C. Deru. 2014. Sorghum drought tolerant alternative to silage maize. (In Dutch.). V-focus. Februari 2014, p. 16-17.
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Koester de regenworm
Eekeren, N.J.M. van, J. de Wit and J.G.C. Deru. 2014. Cherish the earthworms. (In Dutch, with English abstract.). V-focus. april 2014, p. 40-41.
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Infiltratie water via drainage heeft duidelijk effect op grondwaterstand
Deru, J.G.C. and N.J.M. van Eekeren. 2013. Infiltration water via a drainage system has significant effect on groundwater level. (In Dutch.). V-focus. december 2013, p. 30-31.
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Zoeken naar bodemstructuur en draagkracht onder grasland
Eekeren, N.J.M. van, J.G.C. Deru, B. Philipsen, F. Lenssinck and B. Meerkerk. 2013. Searching for carrying capacity and soil structure under grassland. (In Dutch.). V-focus. December 2013, p. 32-33.
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Een betere benutting met huidige gebruiksnormen
Eekeren, N.J.M. van, J.G.C. Deru, H. Kloen, W. Dijkman, B. Philipsen and H. de Boer. 2013. Improved utilisation within current legal application limits. (In Dutch.). V-focus. April 2013, p. 32-33.
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Regenwormen voor  waterregulatie onder grasland
Eekeren, N.J.M. van, J. de Wit and J.G.C. Deru. 2013. Earthworms for better water infiltration in grasslands. (In Dutch.). V-focus. Februari 2013, p. 24-25.
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Is stapeling van diensten mogelijk in de veenweiden?
Kloen, H., A. Visser, J. Bloem, N.J.M. van Eekeren and J.G.C. Deru. 2013. Is it possible to combine ecosystem services in peat meadows? Grass production and nature conservation at odds with climate and water services. (In Dutch.). Bodem. Februari 2013, p. 16-18.
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Veel variatie in beworteling gras op praktijkpercelen
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.
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Mengsels met kropaar of rietzwenkgras interessant voor maaipercelen
Wit, J. de, J.G.C. Deru and N.J.M. van Eekeren. 2012. Mixtures with cocksfoot and tall fescue interesting for grasslands that are only mown. (In Dutch.). V-focus. Juni 2012, p. 29-31.
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Nieuwsbrief Bodemacademie #13: Special niet-kerende grondbewerking
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.
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Interactief fosfaatbeheer Molenbeek - Factsheets landbouwkundige en hydrologische maatregelen
Deru, J.G.C., C.H.M. Evers, N.J.M. van Eekeren and F.T. Verhagen. 2011. Interactive phosphate management Molenbeek - Factsheets agricultural and hydrological measures. (In Dutch.). ZLTO. 12 p.
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Weinig opbrengsteffect van  extra fosfaatgift op zandgrond
Deru, J.G.C. and N.J.M. van Eekeren. 2011. More phosphate does not increase yield on sandy soils. (In Dutch.). V-focus. Juni 2011, p. 28-29.
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Deru, J.G.C., N.J.M. van Eekeren, J. Visscher and H. Schilder. 2011. Differences in rooting parameters of perennial ryegrass cultivars. (In Dutch.). V-focus. Februari 2011, p. 22-23.
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Nieuwsbrief Bodemacademie #10
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.
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Maïsteelt en  mestscheiding: Langetermijneffecten op organische stof
Deru, J.G.C., G.J.H.M. van der Burgt, N.J.M. van Eekeren and H. Wientjes. 2010. Growing maize and manure separation: Long-term effects on soil organic matter. (In Dutch.). V-focus. December 2010, p. 20-22.
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Deru, J.G.C. and U. Prins. 2009. Directe zaai als duurzaam alternatief: Nieuw teeltsysteem: zaaien van snijmais zonder te ploegen. Ekoland. 10-2009, p. 14-15.
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Baars, T. and J.G.C. Deru. 2004. Patroonherkenning bij Homeopathie. Vlugschrift Veehouderij #116. Louis Bolk Instituut, Driebergen.
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Top | Articles in scientific journals (2) | Proceedings etc. (9) | Brochures, books & reports (23) | Specialist journal articles, leaflets, newsletters, etc (25)