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The diversity of cyanobacteria and algae from various microhabitats in Spitsbergen is comparatively well known. However, the relationships between environmental factors and the structure of microflora communities remain largely unclear. This study was conducted in Hornsund Bay, which exhibits large variability in the physicochemical characteristics of habitats, particularly with regard to the availability...
The paper describes cyanobacterial assemblages in relation to mosses and vascular plants forming mosaic communities in Arctic tundra. The study area is located in the north of the Hornsund fjord. In the selected 14 type of habitats, the study analyzed the quantitative and qualitative share of cyanobacteria, mosses and vascular plants. Due to their similarity in cyanobacterial assemblages and their...
Several three-year cycles of experiments with the total number of 17 potato varieties were carried out in the period 1973-1980. The investigations were conducted on an experimental field of the Institute of Meteorology and Management at Borowa Góra and at the Experiment Station Jadwisin. Irrigation with the water rate of 20 and 40 mm was applied when the soil moisture level dropped below 50% of field...
В 1977-1981 гг. в опытной станции Ядвисин были проведены две серии полевых опытов по влиянию удаления ростков на урожай клубней, число ботвяных стеблей и структуру урожая. Саженцы подвергали предварительному проращиванию на протяжении 4 недель, а затеи, непосредственно перед посадкой, удаляли определенное число боковых ростков, оставляя в каждом случае верхушечный росток. Исследовали следующие варианты:...
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