Fjölrit RALA - 15.02.1995, Page 73

Fjölrit RALA - 15.02.1995, Page 73
1. ljósmynd. Hnýði á lúpínurót. Þau inni- halda bakteri'ur sem binda nítur úr andrúmsloftinu og umbreyta þvf á form sem plönturnar geta nýtt sér. (27.5.1993) Photo 1. Nodules on Nootka lupine root. 2. Ijósmynd. Sauðfé á beit í lúpínubreiðu í Aðaldal, S. Þing. Fé sækir talsvert í að bíta lúpínu. (19.7.1993) Photo 2. Sheep grazing Nootka lupine in northern Iceland. 3. Ijósmynd. Lúpína bitin af sauðfé í beit- artilraun. Athyglisvert er að féð velur gjarnan úr ákveðnar plöntur en snertir vart við öðrum. Misjafnt beiskjuefna- innihald plantna er líklega skýringin. (28.7.1989) Photo 3. Nootka lupine plant grazed intensely by sheep in a grazing trial. The sheep show a strong preference for indi- vidual plants while leaving others mostly untouched. This may be due to plant differences in alkaloid content.

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Fjölrit RALA

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