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| Author(s): | Swieboda, M.;
Dabrowska, L. |
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| Author Affiliation: | Zaklad Ochrony Przyrody, PAN, Krakow, Poland |
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| Title: | Effect of air pollution emitted by a silicophosphate fertilizer factory on the content of some mineral components in meadow plants |
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| Source: | Acta Agraria et Silvestria, Agraria. Vol. 15, No. 1, 1975, p. 105-122. |
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| Keywords: | TIC Keywords: Air pollution; Agropyron repens; Arrhenatherum elatius; Dactylis glomerata; Festuca pratensis; Poa; Molinia caerulea
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| Geographic Terms: | Poland |
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| Abstract/Contents: | In an experiment in 1972, the effect of pollution and dust deposition on soil and vegetation characteristics and on the chemical composition of various meadow species were examined at 15 sites situated in the range of emission from a silicophosphate factory. The experimental sites were located in 4 zones at increasing distances from the source of emission and pollution levels ranged from 266 t industrial dust/km2 year near the source of emission to 25 t at increasing distances from the source. In the 4 zones the levels were (a) 200-500, (b) 100-200, (c) 50-100 and (d) (50 t/km2 year. Pollution increased soil pH to 8.1, increased the content of Na2O to 120 mg/100 g soil and also increased the levels of P2O5, K2O and F in the soil. In zone (a) degraded meadows dominated by Agropyron repens were most common, while in zone (b) a few meadow species including Arrhenatherum elatius, Dactylis glomerata, Festuca pratensis and Poa pratensis, which were resistant to the pollution, continued to survive. Molinia/Arrhenatherum communities occurred as far as zone (c), but in zone (d) the meadow swards were much richer in botanical composition and contained more valuable species. The chemical composition of samples of A. repens varied with the stage of development. In zone (a) at the flowering stage, F levels reached 16 mg% and plants were noxious to cattle. A. elatius tended to contain higher levels of Na than samples of A. repens harvested at the same time from the same sites. In zones (c) and (d), meadow species tended to contain particularly high levels of K, Mg and Na. With the exception of 1 plot, there was evidence that the equilibrium between Ca, Mg and P had been upset. In zones (c) and (d), differences in chemical composition were more closely related to differences in site than to differences in botanical composition. |
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| Language: | Polish |
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| References: | 22 |
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| Note: | Summary appears in English and Russian |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Swieboda, M., and L. Dabrowska. 1975. Effect of air pollution emitted by a silicophosphate fertilizer factory on the content of some mineral components in meadow plants. (In Polish) Acta Agraria et Silvestria, Agraria. 15(1):p. 105-122. |
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