@phdthesis{c8c14d9358424579bb20ab4c2a7a3e08,
title = "The importance of N₂ fixation in northern grasslands",
keywords = "feed legumes, grasslands, lic.-avh, medicago sativa, models, nitrogen fixation, nitrogen fixing bacteria, plant production, rhizobium, soil fertility, sweden, trifolium pratense, trifolium repens, feed legumes, grasslands, lic.-avh, medicago sativa, models, nitrogen fixation, nitrogen fixing bacteria, plant production, rhizobium, soil fertility, sweden, trifolium pratense, trifolium repens",
author = "Georg Carlsson",
year = "2003",
language = "English",
publisher = "Swedish Univ. of Agricultural Sciences",
type = "Licentiate thesis",
}