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Changes in Agrochemical Parameters of Sod-Podzolic Soil Depending on the Productivity of Cereal Grasses of Different Ripeness and Methods of Tillage in the Carpathian Region
 
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1
Vasyl Stefanyk Precarpathian National University, Shevchenko Str. 57, Ivano-Frankivsk, 76018, Ukraine
2
National Scientific Centre, Institute of Agriculture of the National Academy of Agrarian Sciences of Ukraine, Mashynobudivnykiv Str. 2b, Сhabany, 08162, Ukraine
3
Sumy National Agrarian University, H. Kondratieva St., 160, Sumy, 40021, Ukraine
4
National University of Life and Environmental Sciences of Ukraine, Heroyiv Oborony St., 15, Kyiv, 03041, Ukraine
5
Dragomanov National Pedagogical University, Pyrogova St., 9, Kyiv, 01601, Ukraine
CORRESPONDING AUTHOR
Andrii Butenko   

Sumy National Agrarian University, H. Kondratieva St., 160, Sumy, 40021, Ukraine
Publication date: 2022-01-01
 
J. Ecol. Eng. 2022; 23(1):55–63
 
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ABSTRACT
Productivity and mowing periods of various cereal grasses on sod–podzolic soil of Pre–Carpathians were studied. The presence of sown grasses with different ripeness periods provides uniform supply of mowing mass from the middle of May till late September and productivity of lands, which is 5.4–6.8 t ha-1 of dry mass, exchange energy – 44.1–56.8 GJ ha-1 and 3.81–4.87 t ha-1 f.u. On the basis of the obtained results, it was found that with increase of tillage depth from 8–10 cm for surface tillage with disk tools to 20–22 cm by plowing, the productivity of all studied species increased by 2–3% on average for three years with fertilization dose of LSD05 equal to 0.30 t ha-1. Cultivation of cereal grasses on sod–podzolic soils stipulates improvement of their fertility, in particular increasing indices of nitrogen, phosphorus and potassium.