Caucalido-Scandicetum R. Tx. 1937 (Zespół Caucalis daucoidex - Scandix pecten - veneris, Caucalo-Scandicetum Libbert 1930) w Polsce
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The study was an attempt to determine changes occurring in composition of the Caucalido-Scandicetum associations in Poland. Table 1 presents the species composition, and Tab. 2 the quantitative composition of this association from the moment it was first de scribed in Poland by Kornaś (l950) till more recent published studies or those being prepared for publication. It should be under lined that the biggest in fluence on the species composition of this association is exerted by: soil (% share of calcium carbonate in it), agritechnical operations, introduction of new varieties of high-yield grain crops, and intensive chemicalization of agriculture.