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Sewage sludge and phosphogypsum are by-products of wastewater treatment and phosphorus fertiliser production, respectively. Considering all known methods of their management, it seems rational to use these waste products in agriculture. While assimilating nutrients contained in sewage sludge or phosphogypsum, agricultural crops contribute to the recycling of these otherwise noxious materials. The...
The aim of this study was to establish a simple and cost-effective method to monitor the effects of harmful algal blooms as exemplified in Lake Powsinkowskie, and to link the monitoring results to potential health risks on the basis of established Alert Level Frameworks. An assessment of the severity of cyanobacterial development in Lake Powsinkowskie (52°9'27"N, 21°5'55"E), located in the...
Unfavorable light conditions in urban areas are one of the most important cause of inappropriate grass communities condition. The possibility to detect the plant stress caused by shade is an important element in shaping the environment. The answer to following questions: what is the ability to detect the stress caused by shade in chosen lawn varieties of Perennial ryegrass by using the chlorophyll...
The effects of mycotoxin zearalenone (ZEN) on the photochemical activity of photosystem II (PSII) in wheat and soybean leaf discs incubated in ZEN solutions as well as the after-effects of pre-sowing soaking of seeds in solutions containing ZEN on the photochemical activity of PSII and on the seedlings growth under salt stress (NaCl solutions were investigated). The incubation of wheat leaf discs...
Urban environments create unfavourable conditions for tree growth, particularly for street trees, thus, the selection of tree species to severe growth conditions tolerance is of high importance. In our research, the chlorophyll a fluorescence technique was applied to monitor the physiological state of young trees of 8 species and cultivars growing in a street environment in Warsaw. Trees growing 2-3...
Urban trees, especially those growing in close proximity to roads, suffer from different kinds of stress. Most of roadside stress factors are impossible to be avoided therefore the selection of tolerant tree species andcultivars is of high importance. In our research we usedthe activity of photosystem II andchlorophyll relative content to monitor physiological state of 8 species andcultivars growing...
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