Tran Ba Linh, Le Van Khoa, Van Elsacker Sara, Cornelis Wim M. (2016): Effect of Cropping System on Physical Properties of Clay Soil Under Intensive Rice Cultivation. Land Degradation & Development, 27, 973-982 https://doi.org/10.1002/ldr.2321Chu Haiyan, Lin Xiangui, Fujii Takeshi, Morimoto Sho, Yagi Kazuyuki, Hu Junli, Zhang Jiabao (2007): Soil microbial biomass, dehydrogenase activity, bacterial community structure in response to long-term fertilizer management. Soil Biology and Biochemistry, 39, 2971-2976 https://doi.org/10.1016/j.soilbio.2007.05.031 Czyż E.A., Dexter A.R. (2008): Soil physical properties under winter wheat grown with different tillage systems at selected locations. International Agrophysics, 22: 191–200.Gajda A.M., Przewłoka B., Gawryjołek K. (2013): Changes in soil quality associated with tillage system applied. International Agrophysics, 27, - https://doi.org/10.2478/v10247-012-0078-7Gajda Anna M., Czyż Ewa A., Dexter Anthony R. (2016): Effects of long-term use of different farming systems on some physical, chemical and microbiological parameters of soil quality. International Agrophysics, 30, - https://doi.org/10.1515/intag-2015-0081Anna M Gajda, Ewa A Czyż, Jadwiga Stanek-Tarkowska, Anthony R Dexter, Karolina M Furtak, Jarosław Grządziel (2017): Effects of long-term tillage practices on the quality of soil under winter wheat. Plant, Soil and Environment, 63, 236-242 https://doi.org/10.17221/223/2017-PSE Gałązka A., Gawryjołek K., Grządziel J., Frąc M., Księżak J. (2017a): Microbial community diversity and the interaction of soil under maize growth in different cultivation techniques. Plant, Soil and Environment, 63: 264–270. Gałązka A., Gawryjołek K., Perzyński A., Gałązka R., Księżak J. (2017b): Changes in enzymatic activities and microbial communities in soil under long-term maize monoculture and crop rotation. Polish Journal of Environmental Studies, 26: 39–46. Garland J.L., Millis A.L. (1991): Classification and characterization of heterotrophic microbial communities on the basis of patterns of community-level sole-carbon-source utilization. Applied and Environmental Microbiology, 57: 2351–2359.Govaerts Bram, Mezzalama Monica, Unno Yusuke, Sayre Ken D., Luna-Guido Marco, Vanherck Katrien, Dendooven Luc, Deckers Jozef (2007): Influence of tillage, residue management, and crop rotation on soil microbial biomass and catabolic diversity. Applied Soil Ecology, 37, 18-30 https://doi.org/10.1016/j.apsoil.2007.03.006Jesus Ederson da C., Liang Chao, Quensen John F., Susilawati Endang, Jackson Randall D., Balser Teresa C., Tiedje James M. (2016): Influence of corn, switchgrass, and prairie cropping systems on soil microbial communities in the upper Midwest of the United States. GCB Bioenergy, 8, 481-494 https://doi.org/10.1111/gcbb.12289Li Yong, Wu Jinshui, Shen Jianlin, Liu Shoulong, Wang Cong, Chen Dan, Huang Tieping, Zhang Jiabao (2016): Soil microbial C:N ratio is a robust indicator of soil productivity for paddy fields. Scientific Reports, 6, - https://doi.org/10.1038/srep35266Lupwayi Newton Z., Harker K. Neil, O’Donovan John T., Turkington T. Kelly, Blackshaw Robert E., Hall Linda M., Willenborg Christian J., Gan Yantai, Lafond Guy P., May William E., Grant Cynthia A. (2015): Relating soil microbial properties to yields of no-till canola on the Canadian prairies. European Journal of Agronomy, 62, 110-119 https://doi.org/10.1016/j.eja.2014.10.004Lupwayi N. Z., Monreal M. A., Clayton G. W., Grant C. A., Johnston A. M., Rice W. A. (2001): Soil microbial biomass and diversity respond to tillage and sulphur fertilizers. Canadian Journal of Soil Science, 81, 577-589 https://doi.org/10.4141/S01-010Mikanová O., Javůrek M., Šimon T., Friedlová M., Vach M. (2009): The effect of tillage systems on some microbial characteristics. Soil and Tillage Research, 105, 72-76 https://doi.org/10.1016/j.still.2009.05.010 Muniafu M., Kinaymario J.L. (2007): Soil nutrient content, soil moisture and yield of Katumani maize in a semi-arid area of Kenya. African Journal of Environmental Science and Technology, 1: 81–85.Oszust Karolina, Frąc Magdalena, Gryta Agata, Bilińska Nina (2014): The Influence of Ecological and Conventional Plant Production Systems on Soil Microbial Quality under Hops (Humulus lupulus). International Journal of Molecular Sciences, 15, 9907-9923 https://doi.org/10.3390/ijms15069907Pandey Sushma, Singh Dileep K. (2006): Soil dehydrogenase, phosphomonoesterase and arginine deaminase activities in an insecticide treated groundnut (Arachis hypogaea L.) field. Chemosphere, 63, 869-880 https://doi.org/10.1016/j.chemosphere.2005.07.053Saini HS, Sedgley M, Aspinall D (1983): Effect of Heat Stress During Floral Development on Pollen Tube Growth and Ovary Anatomy in Wheat ( Triticum aestivum L.). Australian Journal of Plant Physiology, 10, 137- https://doi.org/10.1071/PP9830137Shrestha Karuna, Stevens Scott, Shrestha Pramod, Adetutu Eric M., Walsh Kerry B., Ball Andrew S., Midmore David J. (2015): Characterisation of the soil microbial community of cultivated and uncultivated vertisol in Australia under several management regimes. Agriculture, Ecosystems & Environment, 199, 418-427 https://doi.org/10.1016/j.agee.2014.10.002 Sikora S., Mrkonjic M., Kisic J. (2011): Importance of the soil microbial state – Experience from the south-east European region. In: Miransari M. (ed.): Soil Tillage and Microbial Activities. Trivandrum, Research Signpost, 145–154.Singh Kripal, Mishra Ashish Kumar, Singh Bajrang, Singh Rana P., Patra Dharani Dhar (2016): Tillage Effects on Crop Yield and Physicochemical Properties of Sodic Soils. Land Degradation & Development, 27, 223-230 https://doi.org/10.1002/ldr.2266Spedding T.A., Hamel C., Mehuys G.R., Madramootoo C.A. (2004): Soil microbial dynamics in maize-growing soil under different tillage and residue management systems. Soil Biology and Biochemistry, 36, 499-512 https://doi.org/10.1016/j.soilbio.2003.10.026 Tabatabai M.A. (1982): Soil enzymes. In: Page A.L., Miller R.H., Keeney D.R. (eds.): Methods of Soil Analysis. Part 2. Madison, American Society of Agronomy and Soil Science Society of America.Wolinska Agnieszka, Stępniewska Zofia, Pytlak Anna (2015): The effect of environmental factors on total soil DNA content and dehydrogenase activity. , 67, 493-501 https://doi.org/10.2298/ABS140120013W Wolińska A., Górniak D., Zielenkiewicz U., Goryluk-Salmonowicz A., Kuźniar A., Stępniewska Z., Błaszczyk M. (2017a): Microbial biodiversity in arable soils affected by agricultural practices. International Agrophysics, 31: 259–271. Wolińska A., Kuźniar A., Zielenkiewicz U., Izak D., Szafranek-Nakonieczna A., Banach A., Błaszczyk M. (2017b): Bacteroidetes as a sensitive biological indicator of agricultural soil usage revealed by culture-independent approach. Applied Soil Ecology, 119: 128–137. Zhao H.-J., Zou Q., Guo T.-C., Yu Z.-W., Wang Y.-H. (2002): Regulating effects of density and top-dressing time of nitrogen on characteristics of radiation transmission and photosynthesis in canopy of massive-spike winter wheat variety L906. Acta Agronomica Sinica, 28: 270–277.