Effect of cultivation technology on switchgrass (Panicum virgatum L.) productivity in marginal lands in Ukraine
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Date
2019-09
Authors
Taranenko, A. O.
Kulyk, M. I.
Galytska, M. A.
Taranenko, S. V.
Тараненко, Анна Олексіївна
Кулик, Максим Іванович
Галицька, Марина Анатоліївна
Тараненко, Сергій Володимирович
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Abstract
Growing plants for biofuel production on marginal lands is of major importance in
many developing countries. As a biomass source, switchgrass (Panicum virgatum
L.) is a most adaptable plastic crop, forming extensive ground cover and vegetative
biomass, providing a very high productivity over a short period of time. This study
investigated the effects of cultivation (type of growing conditions and N fertilization
rates) on biomass yields and changes in the structure of the switchgrass phytocenosis
in different types of cropping systems. The biomass yields in stripe and mixed crops
were higher than in single crops in the third year of cultivation. Switchgrass plants
in intercrops were characterized by a greater height and number of shoots per unit
area compared to mixed crops and monocultures. Biomass yields increased with
each year of this research. The maximum biomass yields were attained with 30 kg
ha −1 of N fertilization and the minimum yields where there was no fertilization.
Description
Taranenko A., Kulyk M., Galytska M., Taranenko S. Efect of cultivation technology on switchgrass (Panicum virgatum L.) productivity in marginal lands in Ukraine. Acta Agrobot. 2019. Vol. 72(3) P. 1786. https://doi. org/10.5586/aa.1786
Keywords
switchgrass (Panicum virgatum L.) cultivation; marginal land; plant biomass; biofuel