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| Jensen, B.; Jørnsgård, B.; Knudsen, J.C.. |
| Sædskiftesygdomme i frøbælgplanter holdes traditionelt nede med flere dyrkningsfrie år mellem samme art. I FØJO-projektet GRAINLEG, der er et samarbejde mellem DJF Flakkebjerg, KVL og Toft Planteforædling, arbejder vi med at forbedre resistensen overfor jordbårne sygdomme, primært i ært og lupin. Vi søger at identificere resistent materiale til anvendelse i forædling og arbejder med at udvikle metoder, der bl.a. kan anvendes i sortsafprøvningen til test af resistens mod ærterodråd (Aphanomyces euteiches) samt Fusarium i ært og Fusarium rodråd- og visnesyge i lupin. Gentagen lupindyrkning kan medføre opformering af jordbårne patogener, ofte Fusarium spp., der resulterer i rodråd og visnesyge (lupintræt jord). Såfremt lupin skal vinde indpas som... |
| Tipo: Journal paper |
Palavras-chave: Crop health; Quality; Protection. |
| Ano: 2003 |
URL: http://orgprints.org/2438/1/fojoenyt.pdf |
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| Thomsen, I.K.; Schjønning, P.; Jensen, B.; Kristensen, K.; Christensen, B.T.. |
| To evaluate the effect of soil texture and soil water content on decomposition of organic carbon (OC), turnover of partially stabilized 14C-labelled ryegrass residues was studied at four matric potentials in twelve differently textured soils of similar origin and cropping history. Six soils were from a naturally occurring clay gradient and had 11, 16, 21, 31, 37 and 45% clay (termed NA1 to NA6). Three clay-amended soils (CL2, CL4, CL6) and three silt-amended soils (SI2, SI4, SI6) were prepared by adding clay or silt sized organomineral complexes extracted from the NA2 soil to a portion of the NA1 soil. After 14C-labelled ryegrass had decomposed for eight months under field-like conditions, soil cores were sampled, adjusted to four matric potentials (-30,... |
| Tipo: Journal paper |
Palavras-chave: Nutrient turnover; Soil quality; Soil biology. |
| Ano: 1999 |
URL: http://orgprints.org/727/1/geoderma_99_II.pdf |
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