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Soil samples were collected after the 4th crop of grass in the second year of pot experiment, in which the influence of liming (according to 1 Hh) and organic fertilization (sewage sludge and poultry droppings) were examined. Total sulfur content and its fractions (in the form of SO4(-2), available sulfur, and sulfur from humus compounds) were determined in soil samples. The organic materials applied...
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