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| Risku-Norja, H.; Mäenpää, I.; Koikkalainen, K.; Rikkonen, P.; Vanhala, P.. |
| The key for the sustainable development is dematerialisation and ecoefficiency. Applied to agriculture ecoefficiency means production of nutritionally better food by using less inputs and by reducing the environmental burden. In restricting the material throughput it is essential to identify the most voluminous material flows and to direct the measures to them. Improving ecoefficiency of the food production requires that the benefits and the inputs are quantified in an unambiguous way and that the inputs are estimated for the whole production chain. A comprehensive view of the whole system is necessary. The food system comprises four mutually linked loops: 1) the plant production 2) the livestock husbandry, 3) the food processing industry and 4)... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Environmental aspects. |
| Ano: 2002 |
URL: http://orgprints.org/17586/1/riskunorja.pdf |
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| BRANDSÆTER, L.O.; FOGELFORS, H.; FYKSE, H.; Graglia, E.; JENSEN, R.K.; Melander, B.; Salonen, J.; Vanhala, P.. |
| The success of weed management aimed at depleting the regenerative structures of perennial weeds depends largely on the sprouting activity of rhizome and root buds. Seasonal variation in sprouting of these buds on Cirsium arvense, Sonchus arvensis and Elymus repens was studied for plants collected from Denmark, Finland, Norway and Sweden. At 2-week intervals from July to October, 5-cm fragments of roots or rhizomes were cutfrom plantsgrown in buckets and planted into soil in pots, half of which were placed immediately into growth chambers at 18�C for 4 weeks. The other half of the pots were initially placed in a dark room at 2�C for 4 weeks before being transferred to the same growth chamber, also for 4 weeks. During the growth chamber period, the numbers... |
| Tipo: Journal paper |
Palavras-chave: Weed management. |
| Ano: 2010 |
URL: http://orgprints.org/17900/1/17900.pdf |
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| Vanhala, P.; Kurstjens, D.; Ascard, J.; Bertram, A.; Cloutier, D.C.; Mead, A.; Raffaelli, M.; Rasmussen, Jesper. |
| A prerequisite for good research is the use of appropriate methodology. In order to aggregate sound research methodology, this paper presents some tentative guidelines for physical weed control research in general, and flame weeding, weed harrowing and intra-row cultivation in particular. Issues include the adjustment and use of mechanical weeders and other equipment, the recording of impact factors that affect weeding performance, methods to assess effectiveness, the layout of treatment plots, and the conceptual models underlying the experimental designs (e.g. factorial comparison, dose response). First of all, the research aims need to be clearly defined, an appropriate experimental design produced and statistical methods chosen accordingly. Suggestions... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Weed management; Specific methods. |
| Ano: 2004 |
URL: http://orgprints.org/2445/1/Guidelines.pdf |
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