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Title: EFFECT OF MAIZE AND LEGUME MIXED CROPPING ON SOIL QUALITY IN RELATION TO PLANTING DENSITY
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EFFECT OF MAIZE AND LEGUME MIXED CROPPING ON SOIL QUALITY IN RELATION TO PLANTING DENSITY
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1314-2704
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English
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19
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5.1
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The presented work deals with the effect of maize and legume planting density within mixed cropping system (MC) on selected indicators of soil quality: (1) microbial carbon content (Cmic); (2) total soil carbon (Ctot) content and (3) total soil nitrogen (Ntot) content. To demonstrate potential effect of different plant density within MC, 4-year field experiment was established in 2017 and will continue until 2020. The field experiment consisted of two MC groups with different plant density of maize (75 000 plants/ha; 95 000 plants/ha) and legume (75 000 plants/ha; 95 000 plants/ha). This experiment follows on the first year of the experiment (2017). Each group consisted of two crops of MC (maize + broad bean; maize + white lupine). The individual variants of the experiment were sown in field area 18 m wide and 100 m long. Sowing of crops was carried out within one operation using one equipment. Soil sampling was performed from row and inter-row of plants cultivated in MC system. Results from the first year of the experiment point to two facts: a) cultivation of corn in MC had positive effect on C content in soil. There were found significant (? = 0.05) differences between initial condition of soil cultivated by conventional system and MC in Cmic and Ctot content; b) the above indicators of soil quality were affected by plant density. Higher plant density (95,000 plants/ha) of individual plants in MC negatively affected content of Cmic and Ctot, especially in soil samples taken from row and inter-row of legume. On the other hand, the highest decrease in Cmic content was found in soil samples from corn inter-row (95,000 plants/ha).
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conference
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19th International Multidisciplinary Scientific GeoConference SGEM 2019
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19th International Multidisciplinary Scientific GeoConference SGEM 2019, 30 June - 6 July, 2019
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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221-228
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30 June - 6 July, 2019
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website
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cdrom
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5978
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maize; legume; mixed cropping; soil quality
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