Abstract
Further intensification of agricultural production and crop yield growth will be accompanied by an increase in the cost of non-renewable energy, including through the increasing use of fertilizers. Therefore, in the future, it is important to develop and use energy-efficient production technologies that use less energy to produce agricultural products. The paper shows the influence of reclamation norms of urban sewage sludge (USS) and their combinations with natural zeolite on the economic efficiency of growing crops of grain fallow crop rotation. Studies showed that the use of urban sewage sludge as a fertilizer and the integrated use of USS with zeolite-containing agricultural ore pay off economically. The maximum net income was provided by the combined application of urban sewage sludge at the rates of 160 and 180 t/ha in combination with zeolite. The amount of conditional net income from their application was 13.51-13.62 thousand rubles/ha.
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