Items where Author is "de Wit, Jan"

Number of eprints: 14.

Journal paper

Asai, Masayasu; Moraine, Marc; Ryschawy, Julie; De Wit, Jan; Hoshide, Aaron K. and Martin, Guillaume (2018) Critical factors for crop-livestock integration beyond the farm level: a cross-analysis of worldwide case studies. Land Use Policy, pp. 184-194.

Conference paper, poster, etc.

de Wit, Jan; van Eekeren, Nick; Wagenaar, Jan-Paul and Smeding, Frans (2014) SPECIES IDENTITY IMPORTANT TO ACHIEVE BENEFITS OF DIVERSE GRASSLAND MIXTURES. In: Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 3, Thuenen Report, no. 20, pp. 803-806.

de Wit, Jan and de Vries, Anneke (2008) Feed composition and strategies to improve poly-unsaturated fatty acid levels in organic cow milk. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

de Wit, Jan; Wagenaar, Jan Paul; de Vries, Anneke and Baars, Ton (2006) Milk fatty acids in relation to feeding practices on Dutch organic farms. Paper at: Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

de Wit, Jan; Verhoog, Henk and Prins, Udo (2006) Why regionality is an important value in organic agriculture: the case of the Netherlands. Paper at: Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Prins, Udo; de Wit, Jan and Nauta, Wytze (2005) Combining on-farm, participatory research methodologies with modelling in order to create a regionally based organic agriculture in Holland. Paper at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]

Report

Bos, M; de Wit, Jan and Smeding, Frans (2010) Nut & Natuur Overijssel: Meerwaarde, benutting en borging van groene grondstoffen uit natuurgebieden in Overijssel; praktische bijdragen aan een bio-based economy vanuit landbouw en natuurbeheer. [Benefits from nature - Agricultural value, applicability and safe-guarding of green resources from nature reserves.] Louis Bolk Instituut .

De Cock, L; De Meyer, P; de Wit, Jan; Lauwers, L and Wolput, B (2009) Achtergrondstudie bij de subsidies voor de biologische land- en tuinbouw in Vlaanderen. [Background study: subsidies for organic agriculture and horticulture in Flanders.] Instituut voor Landbouw en Visserijonderzoek ILVO , Merelbeke.

van de Vijver, Lucy and de Wit, Jan (2009) Koemelk: Effecten van bewerkingen op gezondheid. .

Padel, Susanne; Röcklinsberg, Helena; Verhoog, Henk; Fjelsted Alrøe, Hugo; de Wit, Jan; Kjeldsen, Chris and Schmid, Otto (2007) Balancing and integrating basic values in the development of organic regulations and standards: proposal for a procedure using case studies of conflicting areas. EEC 2092/91 (0rganic Revision Project Report), no. D 2.3. Danish Research Centre for Organic Food and Farming (DARCOF), Tjele, and University of Wales, Aberystwyth (UWA), Aberystwyth .

de Vries, Anneke and de Wit, Jan (2007) Kristallisaties en biofotonen: Verschillen in melkkwaliteit tussen biologische bedrijven in beeld gebracht. [Biophotons and biocrystallisations: quality presentation of organic dairy.] Louis Bolk Publications, no. LV67. Louis Bolk Instituut .

de Wit, Jan and de Vries, Anneke (2007) Meer goede vetzuren in biologische melk: Het verhogen van het CLA en Omega-3 gehalte. [More positive fatty acids in organic milk: Increasing CLA and omega-3 fatty content.] Louis Bolk Publications, no. LV68. Louis Bolk Instituut .

de Vries, Anneke and de Wit, Jan (2006) Rantsoen en melkvetzuren: Verschillen in melkkwaliteit tussen biologische bedrijven in beeld gebracht. [Effect of different feed components on the fatty acid composition of organic cow milk.] Louis Bolk Publications, no. LV64. Louis Bolk Instituut .

Book

Adriaansen-Tennekes, Ruth; Bloksma, Joke; Huber, Machteld; Baars, Ton; de Wit, Jan and Baars, Erik (2005) Biologische producten en gezondheid. Resultaten melkonderzoek 2005. [Organic products and health. Results of milk research 2005.] Louis Bolk Instituut Publications, no. GVV06. Louis Bolk Instituut.

This list was generated on Sat Aug 16 10:05:36 2025 CEST.