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Registros recuperados: 11
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Informatie en literatuur voor de biologische fruitteelt : Information and literature for organic fruit growing Organic Eprints
Bloksma, Joke; Jansonius, PieterJans; Zanen, Marleen; Brouwer, Gerjan.
Informatie over organisaties voor de biologische fruitteelt in diverse landen. Verwijzingen naar onderzoek.
Tipo: Report Palavras-chave: Fruit and berries.
Ano: 2001 URL: http://orgprints.org/630/1/lf64.pdf
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Beter boeren met biodiversiteit in Drenthe Organic Eprints
Zanen, Marleen; Kikkert, A..
Eindverslag van het demonstratie project Beter boeren met biodiversiteit in Drenthe (2010-2013). Met 21 Drentse akkerbouwers is gewerkt aan verduurzaming van het bodembeheer op eigen bedrijf. Projectactiviteiten waren gericht op denken (studiebijeenkomsten, kennisuitwisseling) en doen (zelf aan de slag). In Zuidwolde en in 1e Exloermond zijn metingen verricht in demo's. Via nieuwsbrieven en vakbladen is breed gecommuniceerd.
Tipo: Report Palavras-chave: Soil.
Ano: 2014 URL: http://orgprints.org/30019/1/3007.pdf
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Parameters for apple quality - 2 - and the development of the ‘inner quality concept’ 2001-2003 Organic Eprints
Bloksma, Joke; Huber, Machteld; Northolt, Martin; Zanen, Marleen; Jansonius, Pieterjans.
We found clear correlations between management measures, tree characteristics and fruit characteristics. This means that growers can regulate apple quality during the growing season. On the basis of the two apple experiments, we can distinguish respective sets of growth and differentiation parameters and evaluate them in the light of conventional fruit cultivation science. Our results have little new value for fruit growing in practice, however. The value of our research lies in the approach developed to draw up a quality concept and the way in which we can apply this concept to crops about which little knowledge exists regarding the relationship between management measures, crop characteristics and product quality characteristics. Our research also offers...
Tipo: Report Palavras-chave: Composting and manuring; Fruit and berries; Specific methods.
Ano: 2004 URL: http://orgprints.org/2716/1/gvv04.pdf
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Nitrogen efficiency in organic farming using a GPS precision farming technique Organic Eprints
Zanen, Marleen; Koopmans, Chris.
In the coming years, agriculture in the Netherlands will be forced to produce more high quality produce with smaller inputs of fertilisers. Organic agriculture should play a leading role and set an example for sustainable soil management. This implies greater nutrient use efficiency and fewer inputs. GPS-controlled precision tillage using the same tracks in the field year after year offers the opportunity to improve soil structure. The tracks become compacted, improving trafficability (Vermeulen & Klooster, 1992). Our hypothesis is that the soil structure of the remaining beds will improve, providing better aeration and rooting for the crop and access to necessary nutrients. This would mean that nutrient use efficiency would improve in GPS-controlled...
Tipo: Conference paper, poster, etc. Palavras-chave: Soil quality.
Ano: 2005 URL: http://orgprints.org/4504/4/Zanen_Koopmans_4p_revised%2Ded.doc
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Annual report 2002 LBI organic fruit growing research Organic Eprints
Bloksma, Joke; Jansonius, PieterJans; Zanen, Marleen.
Overview of projects, project results, funding bodies and partners in 2002 and plans for 2003 Including: SOIL MANAGEMENT * Evaluation of leaf analysis in organic fruit growing as a tool for measuring the uptake of nutrients: Consultants and researchers exchanged practical experiences and the LBI hopes to work with target values. * Impact of sulphur stress: The fruit quality seemed to be better in the reduced sulphur treatment (27 kg /ha instead of 60 kg /ha after flowering). * Fertilisation: In a late summer fertilisation trial with Elstar, trees fertilised late summer/autumn have a higher nitrogen content in the bud the following spring. And fertilising just before winter leads to increased growth of weeds in the next season. * Ground...
Tipo: Report Palavras-chave: Fruit and berries.
Ano: 2003 URL: http://orgprints.org/628/1/lf73.pdf
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Bijzondere Bemesting: Kansrijke strategieën voor duurzaam bodemmanagement Organic Eprints
Zanen, Marleen; Koopmans, Chris; Bokhorst, Jan; ter Berg, Coen.
Om die transitie naar duurzaam bodemmanagement te ondersteunen heeft het Louis olk Instituut binnen het project Bijzondere Bemesting onderzoek uitgevoerd dat antwoord moest geven op de volgende vragen: • Wat zijn de effecten van mest en compost op bodem en gewaskwaliteit en wat zijn de mogelijkheden voor de inzet van niet dierlijke meststoffen? • Hoe kan bij een bemesting gericht op fosfaatevenwicht de beschikbaarheid van stikstof en fosfaat gewaarborgd blijven? • Waarom zijn bepaalde bedrijfsstrategieën succesvol?
Tipo: Report Palavras-chave: Composting and manuring.
Ano: 2008 URL: http://orgprints.org/13492/1/2052.pdf
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Investeren tot in de bodem: Evaluatie van het proefveld Mest Als Kans Organic Eprints
Zanen, Marleen; Bokhorst, Jan; ter Berg, Coen; Koopmans, Chris.
Doel van het project Investeren tot in de Bodem was het verkrijgen van inzicht in het meerjarige effect van veelgebruikte organische meststoffen en bodemverbeteraars op bodemvruchtbaarheid en nutriëntenemissie. In november 2006 zijn daarom in acht van de dertien bemestingsvarianten van het sinds 1999 bestaande proefveld Mest als Kans metingen gedaan aan de fysische, chemische en biologische bodemeigenschappen en is de invloed van bemestingsstrategieën op opbrengst en productkwaliteit bepaald. De proef is opgenomen in de vruchtwisseling van een groententeeltbedrijf op lichte zavelgrond bij Lelystad. De bemesting vond plaats in mei. Op basis van een stikstofgift van 100 kg werkzame N/ha, een maximale fosfaatgift van 80 kg P2O5 per ha per jaar en voor GFT- en...
Tipo: Report Palavras-chave: Soil.
Ano: 2008 URL: http://orgprints.org/13448/1/2024.pdf
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Bodemvruchtbaarheid behouden: bijdragen van boer tot burger Organic Eprints
Staps, J.J.M.; Zanen, Marleen; Berg, ter, Coen.
De bodemstructuur in Flevoland verslechtert, net als in andere delen van het land. Dat komt omdat de boer steeds meer in een spanningsveld staat tussen korte- en langetermijnbelangen, waarbij steeds vaker voor de korte termijn wordt gekozen, ten koste van de lange termijn bodemvruchtbaarheid. Deze brochure reikt de akkerbouwer mogelijkheden aan voor verbetering. Bovendien wordt inzicht gegeven in de mogelijkheden die ketenpartijen, consument en samenleving hiervoor hebben. De bodem is immers niet alleen natuurlijk kapitaal van de boer, maar ook common good van de samenleving en toekomstige generaties.
Tipo: Other Palavras-chave: Soil quality; Soil.
Ano: 2015 URL: http://orgprints.org/30016/1/3092.pdf
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Annual report 2001 LBI organic fruit growing research Organic Eprints
Bloksma, Joke; Jansonius, PieterJans; Zanen, Marleen.
Overview of projects, funding bodies and partners in 2001 and plans for 2002 1. ‘Improving production in apples and pears’, a project allied to research into nitrogen supply in organic fruit growing by the PPO (=Institute for Applied Plant Research Fruit). The object is to design and evaluate practical measures to regulate mineral uptake, growth and fruit-cropping, and to anticipate sudden changes in conditions such as frost, drought, extreme precipitation or an off year. 2. ‘Pear scab and fruit tree canker’, a number of small projects in which LBI collaborates with the PPO 3. ‘Classy Apples’ project to improve the internal and external quality of organic apples in the growing phase, in collaboration with growers, trade, extension services and the PPO....
Tipo: Report Palavras-chave: Fruit and berries.
Ano: 2002 URL: http://orgprints.org/579/1/lf67.pdf
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Classy Apple project' to reduce the quality gab between suppley and demand of organic apples Organic Eprints
Bloksma, Joke; Zanen, Marleen; Jansonius, PieterJans.
LBI has started a project (2001-2003) to explore and reduce the bottlenecks and obstacles to fruit quality in the various market sectors by working with fruit growers, traders, extension services and research institutes together.
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection Fruit and berries.
Ano: 2002 URL: http://orgprints.org/14628/1/bloksma_202.pdf
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Annual report 2003 LBI organic fruit growing research: including plans for 2004 Organic Eprints
Jansonius, PieterJans; Zanen, Marleen; Bloksma, Joke.
Our objectives in soil management research combine a number of issues: soil fertility, production, fruit quality, growth regulation, prevention of night frost damage, leaf decomposition (scab) and practical feasibility. This will result in different regimes of weed control, fertilisation, foliar feeding and watering for each plot. The evaluation criteria remain particularly difficult to assess. The proposed revised edition of the soil book (LF39) is combined with the final publication of the regulation project which appeared in de winter of 2003 as a hand-book “Biologische Appels en Peren – teeltmaatregelen voor kwaliteitsfruit-” (Organic apples and pears – cultivation measures for quality fruit) (LF75, ed. Joke Bloksma). Time after time our research...
Tipo: Report Palavras-chave: Fruit and berries.
Ano: 2004 URL: http://orgprints.org/2950/1/lf78.pdf
Registros recuperados: 11
Primeira ... 1 ... Última
 

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