6 research outputs found
Production of Agri-Energy Crop Miscanthus gigantheus on Land Degraded by Power Industry: SWOT Analysis
The hypothesis that land degraded by activities in the Kolubara Mining Basin may be restored by production of agri-energy crop Miscanthus gigantheus in ecologically and economically sustainable manner was investigated. The characteristics of the arable soil in the zone of influence of the thermal power plant Kolubara A, the overburden from the mine Kolubara and the ash from Kolubara A indicate limited fertility due to low contents of N and organic C, also contain heavy metals in concentrations between maximal allowable and remediation values (Ni, Cu, Zn), are slightly to moderately contaminated. Contents of heavy metals in aboveground biomass of miscanthus is low, making it suitable for use as biofuel. On the opposite side, in whole plants there are significant contents of Cr, Zn and Ni, mainly in underground organs, indicating phytostabilization potential. Main strength: the use of marginal land for the production of bioenergetic crops. Weaknesses: low yield. Opportunity: use of large marginal land areas with a simultaneous reduced risk of heavy metal transfer to the environment, improving yields with the use of more intensive agri-technical measures. Threats: the poorly developed biomass market as well as the lack of interest by land owners for its remediation
Influence of fertilization on Miscanthus x giganteus (Greef et Deu) yield and biomass traits in three experiments in Serbia
Miscanthus x giganteus (Greef et Deu) is an agro-energy crop of the second generation cultivated in purpose to obtain annually renewable bio-fuel produced from the aboveground biomass. Cultivation is preferred on marginal lands to avoid occupation of arable lands. Influence of fertilization and soil type Gleysol, Planosol and Technosol (open pit coal mine overburden) on yield and biomass traits of miscanthus were investigated during five years' field experiment. Among biometric characteristics: stem height, length and width of leaves, the number of leaves (dry and green) per stem and number of stems per rhizome, only the last one has a strong positive correlation with yield. Fertilization increased yield during fourth and fifth year of development on Gleysol and Technosol. The highest yield on Gleysol was 23.12 t/ha in 2014, on Planosol 10.16 t/ha, and 4.77 t/ha in 2015 on Technosol. The yield of miscanthus, beside fertilization, depends on weather conditions and weeds. Cultivation of miscanthus is possible on marginal soils with minimum application of agricultural measures only in the year of establishment. Gleysol is a type of soil that can be recommended for miscanthus cultivation
Influence of fertilization on Miscanthus Ć giganteus (Greef et Deu)Ā yield and biomass traits in three experiments in Serbia Ā
Miscanthus x giganteus (Greef et Deu) is an agro-energy crop of the second generation cultivated in purpose to obtain annually renewable bio-fuel produced from the aboveground biomass. Cultivation is preferred on marginal lands to avoid occupation of arable lands. Influence of fertilization and soil type Gleysol, Planosol and Technosol (open pit coal mine overburden) on yield and biomass traits of miscanthus were investigated during five years' field experiment. Among biometric characteristics: stem height, length and width of leaves, the number of leaves (dry and green) per stem and number of stems per rhizome, only the last one has a strong positive correlation with yield. Fertilization increased yield during fourth and fifth year of development on Gleysol and Technosol. The highest yield on Gleysol was 23.12 t/ha in 2014, on Planosol 10.16 t/ha, and 4.77 t/ha in 2015 on Technosol. The yield of miscanthus, beside fertilization, depends on weather conditions and weeds. Cultivation of miscanthus is possible on marginal soils with minimum application of agricultural measures only in the year of establishment. Gleysol is a type of soil that can be recommended for miscanthus cultivation
Determining genetic potential and quality components of ns soybean cultivars under different agroecological conditions
This paper aims at determining the genotype x environment interactions of seed yield and quality components of NS soybean cultivars under different agroecological conditions. Field trials were conducted in Serbia, during three years (2009-2011). Six soybean genotypes, belonging to different maturity groups were used (MG): Valjevka, Galina, Afrodita (0 MG), Sava, Victoria (I MG) and Trijumf (II MG). The effect of genotype (G), environment (E) and GxE interactions on yield, protein content and oil content were found to be significant (P lt 0.05, P lt 0.01). During 2010 and 2011, significantly higher grain yield per area unit were achieved as compared to 2009. The highest stability of protein content in the whole tested period was found in genotype Galina. The highest seed yield and oil content were obtained by genotype Valjevka. Genotype Galina showed high stability and good performance in all years for seed yield and protein content. Soybean yield was positively significantly correlated with precipitation (r=0.48*) and negatively significantly correlated with temperatures (r=0.52*). Oil content was negatively highly significantly correlated with precipitation (r=0.83**) and positively highly significantly correlated with temperatures (r=0.81**). This study can represent the basis for further soybean breeding