Polish Ecological Studies, Volume 2Polish Scientific Publishers., 1976 - Ecology |
Contents
Zdzisław MARGOWSKI Alina BARTOSZEWICZ and Adam SIWIŃSKI Soil formed from | 5 |
Jan KOSSOWSKI and Ewa SIKORA The effect of the growth of vegetation cover on | 23 |
Włodzimierz ŁOGINOW and Wojciech WIŚNIEWSKI Studies on humus fractioning based | 43 |
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aboveground abundance amount Apterygota Auchenorrhyncha autumn average badań biomass Brno Colorado beetle communities composition consumption crop CZERWIŃSKI decrease density dicotyledonous Diptera dominant dry weight Dziekanów Leśny ecol eggs Ekol energy fauna fertilized meadow Festuca field g/m˛ gleby grass grassland ecosystems grazing growth habitat House Sparrows increase intensive fertilization invertebrates investigations kg NPK/ha KOTOWSKA Lake Lanžhot larvae layer leafhoppers Leśny littoral Łomianki Lumbricidae medium production method mineral fertilization mobility Nauk nawożenia nematodes nest groups nest without offspring nests with offspring nitrogen number of individuals number of species nutrients oribatid oribatid mites overground pasture phytomass phytophagous phytophagous insects PIECZYŃSKI plant Polish Ecological population post-gathering residues pratensis primary production production period roln roots roślin samples season sheep SINGH stages Stud sward Table temperature tion total number TRACZYK trappability underground unfertilized Varanasi vegetation Warsaw Warszawa water mites