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Are organic arable rotations mining the soil? Organic Eprints
Mullender, Samantha.
Organic principles and standards emphasise the importance of practices that encourage long-term health and fertility of agricultural soils. Effective crop rotation, cultivation regimes and organic fertiliser application are important elements of the organic approach. Whilst such practices can undoubtedly increase the soil’s health, their true impact is still uncertain, particularly with regard to soil nutrient and organic matter contents. The articles explains how modelling some organic rotations on UK farms as part of the OK-Net Arable project produced some challenging results.
Tipo: Newspaper or magazine article Palavras-chave: Nutrient turnover.
Ano: 2017 URL: http://orgprints.org/32848/1/Mullender_2017_NDICEA%20ORC123_p8-9.pdf
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Are we mining the soil ? Organic Eprints
Bliss, Katie; Davies, Olivia; Smith, Laurence; Mullender, Samantha.
Seven organic farms took the opportunity to look at one or more of their fields. They gained insights into their rotations and NDICEA seems to be a useful tool for assessing nitrogen supply/losses throughout a rotation. The results on the farms indicate that there is a danger of losing nitrogen even in organic rotations. In the video, the researcher summarises the results and one of farmers taking part shares his thoughts. The common conclusions are that spring ley cultivation and strategic use of organic fertilisers are possible strategies for improving nutrient balances in organic farming. 'Flying livestock' and innovative strategies to keep the soil covered (e.g. living mulches, undersowing) may also help.
Tipo: Practice tool Palavras-chave: Nutrient turnover; Farm nutrient management.
Ano: 2018 URL: http://orgprints.org/32847/2/video.php_y%3Dhttps_%252F%252Fwww.youtube.com%252Fwatch_v%3Dlv2bX7-XSO8
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Exchanging knowledge to improve organic arable farming: An evaluation of knowledge exchange tools with farmer groups across Europe Organic Eprints
Bliss, Katie; Padel, Susanne; Cullen, Beth; Ducottet, Charline; Mullender, Samantha; Rasmussen, Ilse A.; Moeskops, Bram.
Organic farming is knowledge intensive. To support farmers in improve yields and organic agriculture systems, there is a need to improve how knowledge is shared. There is an established culture of sharing ideas, successes and failures in farming. The internet and information technologies open-up new opportunities for knowledge exchange involving farmers, researchers, advisors and other practitioners. The OK-Net Arable brought together practitioners from regional Farmer Innovation Groups across Europe in a multi-actor project to explore how online knowledge exchange could be improved. Feedback from the groups was obtained for 36 'tools', defined as end-user materials, such as technical guides, videos on websites informing about practices in organic...
Tipo: Journal paper Palavras-chave: Soil tillage Education; Extension and communication Weed management.
Ano: 2018 URL: http://orgprints.org/32860/2/Bliss_Exchanging%20knowledge_32860.pdf
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NDICEA - A digital tool to model nutrient balances across a crop rotation Organic Eprints
Mullender, Samantha.
Using NDICEA, farmers can identify where problems with nutrient loss/imbalance occur in their rotation. They can experiment with changes in rotation or management to find the most effective strategies to address nutrient imbalances and nutrient losses due to leaching. Practical recommendation • NDICEA is a freely available, computer-based nutrient budgeting tool developed by the Louis Bolk Institute in the Netherlands. It takes data on the crop rotation for an individual field rotation, alongside data on climate, soil properties and management practices (e.g. seed rates, fertiliser application, cultivation regimes etc.) to map changes in soil nutrients over the course of the rotation. • Application of the tool on seven organic farms found that, of...
Tipo: Practice tool Palavras-chave: Farm nutrient management.
Ano: 2018 URL: http://orgprints.org/32609/1/PA_014_ORC_NDICEA_final.pdf
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