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Pieter Jans Jansonius

Pieter Jans Jansonius MSc.

Researcher Fruit Growing

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

 

Publication(s) by Jansonius
Proceedings etc. (5)
Brochures, books & reports (24)
Specialist journal articles, leaflets, newsletters, etc (33)

Proceedings etc.

Differences in leaf litter, ascospore production and infection of pear  scab (Venturia pirina) in Dutch organic orchards
Timmermans, B.G.H. and P.J. Jansonius. 2012. Differences in leaf litter, ascospore production and infection of pear scab (Venturia pirina) in Dutch organic orchards. p. 253-259. In: Eco-fruit : 15th international conference on cultivation technique and phytopathological problems in organic fruit-growing and viticulture. Hohenheim. 20-22 February 2012.
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Effects of beetroot Vinasse on ascospore formation of Venturia pirina in a one-year field trial on an organic conference orchard
Timmermans, B.G.H., P.J. Jansonius and R. Bruinenberg. 2010. Effects of beetroot Vinasse on ascospore formation of Venturia pirina in a one-year field trial on an organic conference orchard. p. 322-325. In: Ecofruit. 14th International Conference on Organic Fruit-Growing. Hohenheim. 22-24 February 2010.
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Eekeren, N.J.M. van, J. Wagenaar and P.J. Jansonius. 2006. Mineral content of chicory (Cichorium intybus) and narrow leaf plantain (Plantago lanceolata) in grass-white clover mixtures. p. 121-123. In: Quality legume-based forage systems for contrasting environments, Final meeting. Gumpemstein, Austria.
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Zanen, M., P.J. Jansonius and J.R. Bloksma. 2005. Quality of organically grown apples throughout the chain: Ingredients for a successful chain project. In: IFOAM Scientific Conference. Adelaide, Australia. 21-23 september 2005.
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Bloksma, J.R. and P.J. Jansonius. 2002. Undergrowth of late summer sowings at the tree strip. p. 185-186. In: 10th International Conference on org. Fruit growing and viticulture. Weinsberg, Germany. February 2002.
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Brochures, books & reports


Biologisch-dynamische  Qualität im Obstbau. Erkennen, erzeugen und  vermitteln
Vijver, L.P.L. van de, J.R. Bloksma, P.J. Jansonius and B.G.H. Timmermans. 2013. Biodynamic quality in fruit growing. Recognize, generate and provide. (In German, with English abstract.). Louis Bolk Instituut, Driebergen. 73 p.
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Kali-vinasse tegen ascosporen vorming in Conference blad
Timmermans, B.G.H., P.J. Jansonius and R. Bruinenberg. 2009. Kali-vinasse tegen ascosporen vorming in Conference blad: Verslag van een éénjarig experiment. 21 p.
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Jansonius, P.J. and M. Zanen. 2005. Quality of Topaz on the shelf. (In Dutch, with English abstract.). Louis Bolk Instituut, Driebergen.
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Jansonius, P.J. and M. Zanen. 2005. Time of picking and storability of Topaz. (In Dutch, with English abstract.). Louis Bolk Instituut, Driebergen.
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Jansonius, P.J. and M. Zanen. 2005. Selling Topaz in Health Food Stores. (In Dutch, with English abstract.). Louis Bolk Instituut, Driebergen.
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Eekeren, N.J.M. van and P.J. Jansonius. 2005. Ridderzuring beheersen: Stand van zaken in onderzoek en praktijk. Rep. LV56. Louis Bolk Instituut, Driebergen. 58 p.
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Jansonius, P.J., M. Zanen and J.R. Bloksma. 2004. Kwaliteit van biologisch geteelde appelen in de keten: Resultaten van monitoring en ketengesprekken binnen project 'Appels van Stand'. Louis Bolk Instituut, Driebergen. 42 p.
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Biologische appels en peren: Teeltmaatregelen voor kwaliteitsfruit
Bloksma, J.R., P.J. Jansonius, M. Zanen, J. Peeters, G. Brouwer, R. van der Maas, A. de Jager, W. van Teeffelen, M. Trapman and C. ter Berg. 2004. Biologische appels en peren: Teeltmaatregelen voor kwaliteitsfruit. Louis Bolk Instituut, Driebergen. 220 p.
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Meulen, H.S. van der, P.J. Jansonius, L. Jonker, W. van Teeffelen and M. Zanen. 2004. Ketenstijlen in de biologische appelsector. Rep. LF77. Louis Bolk Instituut, Driebergen. 19 p.
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Bloksma, J.R. and P.J. Jansonius. 2002. Blattreihen als Abbild des Triebwachstums. Louis Bolk Instituut, Driebergen. 30 p.
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Bloksma, J.R. and P.J. Jansonius. 2002. Ondergroei op de boomstrook deel 2: Perspectief van permanente ondergroei met witte klaver. Rep. LF70. Louis Bolk Instituut, Driebergen. 21 p.
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Bloksma, J.R. and P.J. Jansonius. 2001. Bloemdunnen met kalkzwavel; drachtregulatie in de biologische fruitteelt. Rep. LF61. Louis Bolk Instituut, Driebergen. 12 p.
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Bloksma, J.R. and P.J. Jansonius. 2001. ‘Perspective of late summer sowings at the tree strip’. (In Dutch, with English abstract.). Rep. LF62. Louis Bolk Instituut, Driebergen. 16 p.
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Bloksma, J.R., P.J. Jansonius, M. Zanen and G. Brouwer. 2001. Informatie en Literatuur voor de biologische fruitteelt. Louis Bolk Instituut, Driebergen. 15 p.
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Bloksma, J.R. and P.J. Jansonius. 2000. Bladreeksen als beeld van twijggroei. Louis Bolk Instituut, Driebergen. 30 p.
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Bloksma, J.R. and P.J. Jansonius. 2000. Leaf series as an image of shoot growth. Louis Bolk Instituut, Driebergen. 30 p.
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Bloksma, J.R. and P.J. Jansonius. 2000. Leaf series as an image of shoot growth.: Method, examples and interpretation. Louis Bolk Instituut, Driebergen.
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Bloksma, J.R. and P.J. Jansonius. 1999. Biologisch uitgangsmateriaal voor de fruitteelt. Louis Bolk Instituut, Driebergen. 31 p.
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Bloksma, J.R., P.J. Jansonius and H. Albers. 1999. Bedrijfsbegeleidend onderzoek in Boomgaard Bokhoven. Rep. LF52. Louis Bolk Instituut, Driebergen. 23 p.
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Bloksma, J.R., P.J. Jansonius and M. Zanen. 1999. Nutriëntenbalans in de biologische fruitteelt. Louis Bolk Instituut, Driebergen. 12 p.
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Jansonius, P.J. 1998. Drachtregulatie in de biologische fruitteelt, deel 1. Louis Bolk Instituut, Driebergen. 21 p.
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Bloksma, J.R. and P.J. Jansonius. 1998. Eindverslag project GBP-boomteelt 1996-1998. Rep. LB03. Louis Bolk Instituut, Driebergen. 14 p.
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Bloksma, J.R. and P.J. Jansonius. 1998. Toekomstvisies voor de biologische fruitteelt, deel 1. Louis Bolk Instituut, Driebergen. 22 p.
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Bloksma, J.R., P.J. Jansonius and G. Brouwer. 1998. Natuur in en om de boomgaard. Louis Bolk Instituut, Driebergen. 40 p.
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Specialist journal articles, newsletters, etc


Biologisch-dynamische Qualität im Obstbau. Was können wir erkennen und vermitteln?
Jansonius, P.J., L.P.L. van de Vijver, J.R. Bloksma and M. Buchmann. 2012. Biodynamic quality at fruit growers: What can we recognize and communicate? (In German.). Lebendige Erde. 2012-1, p. 40-44.
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Effects of beetroot-Vinasse on ascospore formation of Venturia pirina in a one-year field trial on an organic conference orchard (presentation)
Timmermans, B.G.H., P.J. Jansonius and R. Bruinenberg. 2012. Effects of beetroot-Vinasse on ascospore formation of Venturia pirina in a one-year field trial on an organic conference orchard (presentation). Louis Bolk Instituut, Driebergen. 5 p.
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Eekeren, N.J.M. van, L. Fehér, F.W. Smeding, U. Prins and P.J. Jansonius. 2006. Controlling broad-leaved dock (Rumex obtusifolius) in grass clover mixtures. p. 391-393. In: Grassland Science in Europe.
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Bloksma, J.R. and P.J. Jansonius. 2005. Het valt niet mee om te bewijzen dat Bd-preparaten werken: Dynamisch Perspectief 2005, no.2 blz 26-28. Dynamisch Perspectief. , p. 26-28.
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Jansonius, P.J., M. Zanen and J.R. Bloksma. 2004. Annual report 2003 organic fruit growing research. Louis Bolk Instituut, Driebergen. 30 p.
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Jansonius, P.J., M. Zanen and J.R. Bloksma. 2004. Jaarverslag biologische fruitteelt 2003. Louis Bolk Instituut, Driebergen. 29 p.
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Bloksma, J.R., M. Northolt, M.A.S. Huber, P.J. Jansonius and M. Zanen. 2004. Parameters for apple quality-2.
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Jansonius, P.J., Jans and W. van Teeffelen. 2003. Verslag Biofach 2003.
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Jansonius, P.J., P.F. de Jong and R. Anbergen. 2003. Vruchtboomkanker te lijf met gebluste kalk.: In: De Boomkwekerij 49, 5 december 2003, p. 12-13. De Boomkwekerij. 5-12-2003, p. 12-13.
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Bloksma, J.R., P.J. Jansonius and M. Zanen. 2003. Annual report 2002 LBI organic fruit growing research. Louis Bolk Instituut, Driebergen. 20 p.
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Bloksma, J.R., P.J. Jansonius and M. Zanen. 2003. Jaarverslag biologische fruitteelt 2002. Louis Bolk Instituut, Driebergen. 22 p.
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Jansonius, P.J. 2002. Kalk werkt goed tegen kanker, maar is lastig toe te dienen: In: Fruitteelt, nr. 2002/47, pag. 10:11. Fruitteelt. , p. 10-11.
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Bloksma, J.R., P.J. Jansonius and M. Zanen. 2002. Annual report 2001 LBI organic fruit growing research. Louis Bolk Instituut, Driebergen. 21 p.
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Bloksma, J.R., P.J. Jansonius and M. Zanen. 2002. Jaarverslag biologische fruitteelt 2001. Louis Bolk Instituut, Driebergen. 21 p.
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Jansonius, P.J. and J.R. Bloksma. 2001. Beregening met celkalk tegen vruchtboomkanker hoopvol.: Fruitteelt 91 (38), p. 8-9. Fruitteelt. 91(38):8-9.
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Bloksma, J.R. and P.J. Jansonius. 2001. Annual report 2000 organic fruit growing research plus plans for 2001. Translated edition of LF59. Louis Bolk Instituut, Driebergen. 16 p.
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Bloksma, J.R. and P.J. Jansonius. 2001. Jaarverslag biologische fruitteelt 2000 met plannen voor 2001. Louis Bolk Instituut, Driebergen. 20 p.
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Bloksma, J.R. and P.J. Jansonius. 2001. Kalkzwavel voldoet als bloemdunner. Fruitteelt. 91(14):13.
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Jansonius, P.J. and J.R. Bloksma. 2000. Alternatives for copper fungicide against scan on Jonagold apple: Tagungsband 9, intern Erfahr. Austausch über Ergebnisse zum Ökologischen Obstbau. LVWO Weinsberg 2-2000, p. 18-20. Tagungsband 9. , p. 18-20.
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Jansonius, P.J. and J.R. Bloksma. 2000. Effectivity of lime sulphur as a flower thinning agent.: Tagensband 9, Intern. Erfahr. Austauch über Ergebnisse zum Ökologischen Obstbau. LVWO Weinsberg 2-2000, p91-92. Tagensband 9. , p. 91-92.
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Jansonius, P.J. and J.R. Bloksma. 2000. Thinning with lime sulphur - effect on flower or on leaves? Intern. Erfahr. Austauch über Ergebnisse zum Ökologischen Obstbau. Tagensband 9:91-92.
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Bloksma, J.R. and P.J. Jansonius. 2000. Annual report 1999, LBI organic fruit growing research. Louis Bolk Instituut, Driebergen. 16 p.
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Bloksma, J.R. and P.J. Jansonius. 2000. Calcium uptake and fruit quality: Tagungsband 9. Intern. Erfahr. Austausch über Ergebnisse zum O¨kologischen Obstbau. LVWO Weinsberg 2-2000 p.111-115. Tagungsband 9. , p. 111-115.
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Bloksma, J.R. and P.J. Jansonius. 2000. Jaarverslag biologische fruitteelt 1999. Louis Bolk Instituut, Driebergen. 18 p.
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Bloksma, J.R. and P.J. Jansonius. 2000. Kalziumafnahme und Fruchtqualität. Öko-Obstbau. 2000/2, p. 8-10.
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Bloksma, J.R., P.J. Jansonius and B. Heijne. 2000. Lagerkalk - ein vorbeugendes Bekämpfungsmittel gegen den Obstbaumkrebs: Obstbau 2000/9 pp 531-532. Obstbau. , p. 531-532.
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Brouwer, G., H. Balkhoven and P.J. Jansonius. 2000. Biologische telers gaan de uitdaging aan: studiegroep biologische schurftbestrijding. Fruitteelt. 90(2000-29):12-13.
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Bloksma, J.R. and P.J. Jansonius. 1999. Rijstrook kan meer zijn dan een strook kort gras waarover trekkers rijden. Fruitteelt. 89(14):16-17.
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Bloksma, J.R. and P.J. Jansonius. 1998. Annual report 1998 Research organic fruitgrowing. Louis Bolk Instituut, Driebergen. 26 p.
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Bloksma, J.R. and P.J. Jansonius. 1998. Jaarverslag 1998 Afd. fruitteelt. Louis Bolk Instituut, Driebergen. 28 p.
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Bloksma, J.R. and P.J. Jansonius. 1997. Jaarverslag 1997 Fruitteeltonderzoek Louis Bolk Instituut. Louis Bolk Instituut, Driebergen. 26 p.
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Brouwer, G. and P.J. Jansonius. 0. Goed bijhouden van mechanische onkruidbestrijding is de kunst. Fruitteelt. 88(45):18-19.
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Heijne, B., R. Anbergen, P.J. Jansonius and J.R. Bloksma. 0. Calkalk biedt mogelijkheid voor milieuvriendelijke kankerbeheersing. Fruitteelt. 88(37):14-15.
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Top | Proceedings etc. (5) | Brochures, books & reports (24) | Specialist journal articles, leaflets, newsletters, etc (33)