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The impact of draining, burning and fertilizer treatments on the nutrient status of floating Typha mats in a freshwater marsh =
Bertil O. Krüsi · Geobotanischen Institutes der ETH, Stiftung Rübel]
124 sayfa · 1989
Ecology / Fertilizers / Growth / Marsh ecology / Typha
Phenological methods in permanent plot research
Bertil O. Krüsi · Geobotanisches Institut ETH, Stiftung Rübel
115 sayfa · 1981
Grassland ecology / Plant communities / Plant indicators / Plant phenology