Abstract
Goal. To improve the elements of technology, methods of soil preparation and sowing of seeds, to increase the productivity of growing biomass of rod-shaped millet for the production of solid biofuels in the Western Forest-Steppe, taking into account the biological characteristics of plant development. Methods. Field, laboratory, measuring, comparative, statistical, and dispersion. Results. The results of research on improving the elements of technology for growing biomass of rod-shaped millet in the Western Forest-Steppe of Ukraine — pre-sowing soil preparation and sowing of millet seeds together with seeds of the beacon culture, which allowed early tillage and significantly reduce weeds. The highest biomass productivity of rod-shaped millet and energy yield (377.7 GJ/ha) was at a row spacing of 30 cm. Conclusions. Rod-shaped millet in the first year of the growing season is sensitive to soil moisture and temperature, which significantly influences the friendliness of the germination of seedlings. Favorable conditions for growing biomass of rod-shaped millet in the Western Forest-Steppe zone can be significantly improved by using 3-time pre-sowing tillage with harrows and sowing seeds with an optimal row spacing of 30 cm together with seeds of beacon white mustard.
Highlights
Switchgrass (Раnісum vіrgаtum L.) is one crop from a wide range of high-yielding perennials for biofuel production
Switchgrass biomass contains a significant amount of cellulose and lignin and is considered the most suitable feedstock for biofuel production [9]
The purpose of research - to improve the elements of technology, methods of soil preparation and sowing seeds, increase productivity cultivation of biomass of millet rod in the conditions of the Western Forest-Steppe taking into account biological features of development of plants
Summary
Analysis of soil moisture at the time of sowing switchgrass during the years of experiment has shown that its content in the arable soil layer is constantly changing and depends on weather conditions. It was found that the field germination of switchgrass may be affected by the timing of sowing and by seedling vigour and effective mechanized tending crops. − double tillage with a harrow to a depth of 2−3 cm.; 4 − three-time tillage with a harrow to a depth of 2−3 cm; 5 − direct sowing without seedbed preparation
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