Items where Author is "Rasmussen, Jesper"

Number of eprints: 63.

Journal paper

Pirhofer-Walzl, K.; Eriksen, Jørgen; Rasmussen, Jim; Soegaard, Karen; Høgh-Jensen, Henning and Rasmussen, Jesper (2013) Effect of four plant species on soil 15N-access and herbage yield in temporary agricultural grasslands. Plant and Soil, 371, pp. 313-325.

Pirhofer-Walzl, Karin; Eriksen, Jørgen; Rasmussen , Jim; Høgh-Jensen, Henning; Søegaard, Karin and Rasmussen, Jesper (2013) Effect of four plant species on soil 15N-access and herbage yield in temporary agricultural grasslands. Plant Soil, 1, pp. 1-10.

Rasmussen, Jesper; Griepentrog, Hans W.; Nielsen, J. and Henriksen, Christian Bugge (2012) Automated intelligent rotor tine cultivation and punch planting to improve the selectivity of mechanical intra-row weed control. Weed Research, 52, 327- 337.

Brandsæter, Lars O. ; Mangerud, Kjell and Rasmussen, Jesper (2012) Interactions between pre- and post-emergence weed harrowing in spring cereals. Weed Research, 52, pp. 338-347.

Pirhofer-Walzl, K.; Rasmussen , Jim; Høgh-Jensen, Henning; Eriksen, Jørgen; Soegaard, Karen and Rasmussen, Jesper (2012) Nitrogen transfer from forage legumes to nine neighbouring plants in a multi-species grassland. Plan and Soil, 350, pp. 71-84.

Pirhofer-Walzl , K.; Søegaard, Karen; Høgh-Jensen, Henning; Eriksen, Jørgen; Sanderson, M.A.; Rasmussen , Jim and Rasmussen, Jesper (2011) Forage herbs improve mineral composition of grassland herbage. Grass and Forage Sceince, 66, pp. 415-423.

Rueda–Ayala , Victor; Rasmussen, Jesper; Gerhards , Roland and Fournaise , N.A. (2011) The influence of post-emergence weed harrowing on selectivity, crop recovery and crop yield in different growth stages of winter wheat. Weed Research, 51, pp. 478-488.

Rasmussen, Jesper; Henriksen, Christian Bugge; Griepentrog, Hans W. and Nielsen, Jon (2011) Punch planting, flame weeding and delayed sowing to reduce intra-row weeds in row crops. Weed Research, 51, pp. 489-498.

Rasmussen, Jesper (2010) Ukrudtsharven kan afløse kemi. [Weed harrows can replace herbicides.] Agrologisk, 28, pp. 22-23.

Rasmussen, Jesper; Mathiasen, Helle and Bibby, Bo Martin (2010) Timing of post-emergence weed harrowing. Weed Research, 50, pp. 436-446.

Jacobsen, Sven-Erik; Christiansen, J.L. and Rasmussen, Jesper (2010) Weed harrowing and inter-row hoeing in organic grown quinoa (Chenopodium quinoa Willd.). Outlook on Agriculture, 39 (3), pp. 323-327.

Rasmussen, Jesper and Nørremark, Michael (2009) På vej mod den intelligente ukrudtsharve. [Approaching the intelligent weed harrow.] Forskningsnytt om økologisk landbruk i Norden (1), pp. 26-28.

Rasmussen, Jesper; Nielsen, Helle H. and Gundersen, Hanne (2009) Tolerance and selectivity of cereal species and cultivars to postemergence weed harrowing. Weed Science, 57, pp. 338-345.

Rasmussen, Jesper; Bibby, Bo Martin and Schou, Anders P. (2008) Investigating the selectivity of weed harrowing with new methods. Weed Research, 48 (6), pp. 523-532.

Rasmussen, Jesper and Nørremark, Michael (2007) Forskning i ukrudtsharvning får nyt liv med digital billedbehandling. [Digital image analysis offers new possibilities in weed harrowing research.] FØJOenyt.

Rasmussen, Jesper; Nørremark, Michael and Bibby, Bo Martin (2007) Assessment of leaf cover and crop soil cover in weed harrowing research using digital images. Weed Research, 47, pp. 299-310.

Rasmussen, Jesper; Langer, Vibeke and Alrøe, Hugo Fjelsted (2006) Bias in peer review of organic farming grant applications. Agriculture and Human Values, 23 (2), pp. 181-188.

Rasmussen, Jesper and Nørremark, Michael (2006) Digital image analysis offers new possibilities in weed harrowing research. Zemdirbyste/Agriculture, 93 (4), pp. 155-165.

Henriksen, Christian Bugge; Rasmussen, Jesper; Jørgensen, Martin Heide and Thomsen, Henning Carlo (2005) Ridge planting of maize shows promising yield increase. DARCOFenews.

Henriksen, Christian Bugge; Rasmussen, Jesper and Mølgaard, Jens Peter (2005) The effect of timing of ridging on soil inorganic nitrogen and potato tuber yield and quality. Soil & Tillage Research. [Submitted]

Bugge Henriksen, Christian; Rasmussen, Jesper and Søgaard, Carsten (2005) Kemink subsoiling before and after planting. Soil & Tillage Research, 80, pp. 59-68.

Henriksen, Christian Bugge; Rasmussen, Jesper and Søgaard, Carsten (2005) Ridging in autumn as an alternative to mouldboard ploughing in a humid-temperate region. Soil & Tillage Research. [In Press]

Henriksen, Christian Bugge; Rasmussen, Jesper; Jørgensen, Martin Heide and Thomsen, Henning Carlo (2004) Majs på kamme viser lovende merudbytte. FØJOenyt.

Bugge Henriksen, Christian; Mølgaard, Jens Peter and Rasmussen, Jesper (2004) Inter-row subsoiling increases marketable yield in potatoes. Darcof e-news.

Jensen, Rikke K.; Rasmussen, Jesper and Melander, Bo (2004) Selectivity of weed harrowing in lupin. Weed Research, 44, pp. 245-253.

Rasmussen, Jesper; Kurtzmann, J.I. and Jensen, A. (2004) Tolerance of competitive spring barley cultivars to weed harrowing. Weed Research, 44, pp. 446-452.

Rasmussen, Jesper and Kaltoft, Pernille (2003) Holdninger præger jordbrugsvidenskaben. Jord og Viden, 148 (8), pp. 10-12.

Rasmussen, Jesper and Kaltoft, Pernille (2003) Alternative versus conventional attitudes in higher agricultural education. Alternative Agriculture & Horticulture, 20 (4), pp. 347-363.

Rasmussen, Jesper (2003) Punch planting, flame weeding and stale seedbed for weed control in row crops. Weed Research, 43, pp. 393-403.

Newspaper or magazine article

Rasmussen, Jesper and Harbo La-Cour, Anders (2011) Ukrudt i fugleperspektiv. Økologi & Erhverv, 12 August 2011, 31 (462), p. 20.

Rasmussen, Jesper (2010) Punktsåning giver mindre ukrudt. Landbrugsavisen, 2 April 2010, p. 16.

Rasmussen, Jesper (2010) Intelligent ukrudtsbekæmpelse. [Intelligent weed control.] Økologi & Erhverv, 12 March 2010, p. 16.

Rasmussen, Jesper (2008) Mindre ukrudt med punktsåning. [Less weeds with punch planting.] Maskinbladet, August 2008, 28 (447), p. 13.

Rasmussen, Jesper (2004) Falsk såbed sparer tid til roehakning. [False seed bed reduces manual weeding.] Økologisk Jordbrug, April 2004, 24 (311), p. 8.

Rasmussen, Jesper and Kaltoft, Pernille (2003) Fortalere for genteknologi på vanskelig opgave blandt økologer. Økologisk Jordbrug, 2003 (284), p. 4.

Rasmussen, Jesper and Kaltoft, Pernille (2002) Ensidige holdninger i undervisningen - hvad stiller vi op med dem? KVL-Mosaik, October 2002, 11 (3), pp. 15-17.

Rasmussen, Jesper (2002) Hvad karakteriserer god undervisning? KVL-Mosaik, October 2002, 11 (3), pp. 6-7.

Rasmussen, Ilse A. and Rasmussen, Jesper (2000) Beskidte rækkeafgrøder giver ukrudt i kornet. Økologisk Jordbrug, May 2000, 20 (217), p. 14.

Working paper

Henriksen, Christian Bugge; Mølgaard, Jens Peter and Rasmussen, Jesper (2004) The effect of autumn ridging and inter-row subsoiling on potato tuber yield and quality. Working paper. [Completed]

Conference paper, poster, etc.

Rasmussen, Jesper; Henriksen, Christian Bugge and Griepentrog, Hans W. (2011) Less intra-row weeds – experiences with a punch planter and a cycloid hoe based on GPS. Paper at: 9th EWRS Workshop on Physical and Cultural Weed Control, Samsum, Turkey, 28-30 March 2011.

Rasmussen, Jesper (2011) Erfaringer med nye teknologier i rækkeafgrøder. [Experiences with new technologies in row crops.] Speech at: Plantekongres, Herning Kongrescenter, 11.-13. januar 2011.

Rasmussen, Jesper; Helgadóttir, Á.; Frankow-Lindberg, B.; Loges, R. and Eriksen, J. (2010) The contribution of grass and clover root turnover to N leaching. In: Schnyder, H. (Ed.) Grassland Science in Europe 15, pp. 1028-1030.

Rasmussen, Jesper (2009) Ukrudtsharvning - mod et mere nuanceret vejledningsgrundlag. [Post-emergence weed harrowing - working on better guidelines.] In: Sammendrag af indlæg Plantekongres 2009, pp. 286-288.

Rasmussen, Jesper (2009) Unifying parameters in mechanical weed control research - report of the roundtable. In: Proceedings 8th EWRS Workshop on Physical and Cultural Weed Control, pp. 142-145.

Rasmussen, Jesper; Nørremark, Michael and Bibby, Bo Martin (2008) New Technologies Call for New Research Priorities in Physical Weed Control with Low Selectivity. Speech at: 5th International Weed Science Congress, Vancouver, BC, Canada, 23-27 June 2008.

Rasmussen, Jesper and Nørremark, Michael (2007) Digital images for assessing soil cover of crop plants. In: Proceedings 7th EWRS Workshop on Physical and Cultural Weed Control, pp. 123-129.

Rasmussen, Jesper and Nørremark, Michael (2007) Digital images for assessing soil cover of crop plants. Speech at: 7th EWRS Workshop on Physical and Cultural Weed Control, Salem, Germany, 11-14 March 2007.

Gundersen, Hanne; Rasmussen, Jesper and Nørremark, Michael (2006) TOLERANCE OF CEREALS TO POST- EMERGENCE WEED HARROWING. In: Proceedings from AFPP (on CD-rom), Association française de protection des plantes (AFPP).

Rasmussen, Jesper (2004) Are we making progress in mechanical weed control research? Speech at: 6th EWRS Workshop on Physical and Cultural Weed Control, Lillehammer, Norway, 8-10 March 2004.

Rasmussen, Jesper (2004) Are we making progress in mechanical weed control research? In: Proceedings 6th EWRS Workshop on Physical and Cultural Weed Control, Lillehammer, Norway, 115-122., pp. 115-122.

Vanhala, P.; Kurstjens, D.; Ascard, J.; Bertram, A.; Cloutier, D.C.; Mead, A.; Raffaelli, M. and Rasmussen, Jesper (2004) Guidelines for physical weed control research: flame weeding, weed harrowing and intra-row cultivation. In: Proceedings 6th EWRS Workshop on Physical and Cultural Weed Control, 194-225, pp. 194-225.

Rasmussen, Jesper and Kaltoft, Pernille (2002) De nye konsulenter og deres holdninger til økologisk jordbrug. In: Kongresbilag Økologi-Kongres 2002, Landbrugets Rådgivningscenter & Forskningscenter for Økologisk Jordbrug, pp. 31-33.

Rasmussen, Jesper and Henriksen, Christian Bugge (2002) Kamdyrkning i stedet for pløjning. Speech at: Nasjonal kongress for økologisk landbruk, Hamar, Norge, 21.-22. februar.

Rasmussen, Jesper (2000) Alternative jordbearbejdningsmetoder. Speech at: Seminaret "Jordbearbejdning og jordfrugtbarhed", Landsforeningen Økologisk Jordbrug, Bygholm Landbrugsskole, 19. september 2000.

Rasmussen, Jesper and Henriksen, Christian Bugge (2000) Jordløsninger - er det svaret? Speech at: Økologikongres 2000. Troværdighed og succes, Hotel Pejsegården i Brædstrup, 1. og 2. november 2000.

Rasmussen, Ilse A.; Melander, Bo; Rasmussen, Karsten; Jensen, Rikke K.; Hansen, Preben K.; Rasmussen, Gitte; Christensen, Svend and Rasmussen, Jesper (2000) Recent advances in weed management in cereals in Denmark. Paper at: 13th IFOAM Scientific Conference, Basel, Switzerland, 28 to 31 August 2000.

Report chapter

Rasmussen, Ilse A.; Melander, Bo; Rasmussen, Karsten and Rasmussen, Jesper (1997) Regulering af ukrudt. In: Kristensen, Erik Steen (Ed.) Økologisk Planteproduktion. SP rapport, no. 15. Danmarks JordbrugsForskning, chapter 5, pp. 63-86.

Book chapter

Melander, Bo; Liebman, Matt; Davis, Adam. S.; Gallandt, Eric; Barberi, Paolo; Moonen, Anna-Camilla; Rasmussen, Jesper; van der Weide, Rommie and Vídotto, Francesco (2017) Non-Chemical Weed Management. In: Hatcher, P.E. and Froud-Williams, Robert J. (Eds.) Weed research Expanding Horizons. Wiley, UK, pp. 245-270.

Rueda-Ayala, Victor ; Rasmussen, Jesper and Gerhards, Roland (2010) Mechanical weed control. In: Oerke, E-C; Gerhards, R; Menz, G and Sikora, RA (Eds.) Precision Crop Protection – the Challenge and Use of Heterogeneity. Springer, London, chapter 17, pp. 279-294.

Web product

Rasmussen, Jesper and Langer, Vibeke (2010) Økodebatten: En cocktail af viden og holdninger. www.videnskab.dk. Online at http://www.videnskab.dk/composite-4824.htm.

Rasmussen, Jesper (2010) Ukrudtsharvning - effektiv i økologisk landbrug. www.videnskab.dk, www.videnskab.dk. Online at http://www.videnskab.dk/composite-4297.htm.

Rasmussen, Jesper (2010) Økologisk forskning er troværdig. [Research in organic agriculture is not more value laden than other applied research.] www.videnskab.dk. Online at http://www.videnskab.dk/composite-3700.htm.

Rasmussen, Jesper (2009) Ukrudt - en del af helheden. [Weeds - a part of the whole.] www.videnskab.dk, http://www.videnskab.dk. Online at http://www.videnskab.dk/composite-2892.htm.

This list was generated on Sat Aug 16 12:33:27 2025 CEST.