Gints Spalva

Publikāciju saraksts
List of publications

  • Zimelis A., Spalva G. 2022. Productivity and GHG balance of harvesting and forwarding in thinning of aspen hybrid plantations. In: Proceedings of 21st International Scientific Conference Engineering for Rural Development, Jelgava, Latvia, 25-27 May 2022. Jelgava: LULST, p. 537-542; https://doi.org/10.22616/ERDev.2022.21.TF181
  • Champion J., Lazdins A., Spalva G. 2022. Short term impact of application of different doses of wood ash on greenhouse gas (GHG) emissions from peat. In: Proceedings of 21st International Scientific Conference Engineering for Rural Development, Jelgava, Latvia, 25-27 May 2022. Jelgava: LULST, p. 760–765; https://doi.org/10.22616/ERDev.2022.21.TF230
  • Butlers A., Spalva G., Licite I., Purvina D. 2022. Carbon dioxide (CO2) emissions from naturally wet and drained nutrient-rich organic forests soils. In: Proceedings of 21st International Scientific Conference Engineering for Rural Development, Jelgava, Latvia, 25-27 May 2022. Jelgava: LULST, p. 577–582; https://doi.org/10.22616/ERDev.2022.21.TF190
  • Butlers A., Bārdule A., Spalva G., Muižnieks E. 2021. N2O and CH4 emissions from naturally wet and drained nutrient-rich organic forest soils. In: Proceedings of the 10th International Scientific Conference "Rural Development 2021: Challenges for Sustainable Bioeconomy and Climate Change", 21-23 September 2021. Kaunas: Vytautas Magnus University Agriculture Academy, p. 195-200; https://doi.org/10.15544/RD.2021.030
  • Lazdins A., Kaleja S., Zimelis A., Spalva G., Bardulis A. 2021. Productivity and carbon dioxide (CO2) emissions of compact class vimek 404 T5 harvester in thinning of young birch stands in afforested cropland. In: Proceedings of 20th International Scientific Conference "Engineering for Rural Development 2021", Virtual, Jelgava, 26-28 May 2021. Jelgava: LUA, Vol. 20, p. 780-785; https://doi.org/10.22616/ERDev.2021.20.TF173
  • Kalēja S., Spalva G., Lazdiņš A. 2019. Evaluation of potential impact of soil scarification pattern on trees’ damages in future commercial thinning. In: Proceedings of International Conference "Research for Rural Development 2019". Jelgava: LUA, Vol. 1, p. 44-51; https://doi.org/10.22616/rrd.25.2019.007
  • Lazdiņš A., Iecelnieks E., Zimelis A., Spalva G. 2019. Evaluation of work methods for production of solid biofuel from harvesting residues in commercial thinning of coniferous forests. In: Proceedings of Scientific Conference "Engineering for Rural Development 2019". Jelgava: LUA, Vol. 18, p. 1546-1551; https://doi.org/10.22616/ERDev2019.18.N457
  • Makovskis K., Lazdina D., Kaleja S., Spalva G., Dumins K. 2019. Planting and tending productivity comparison in mounds and disc trenches using containerized and bareroot coniferous seedlings. Agronomy Research, 17(6), 2327-2338; https://doi.org/10.15159/ar.19.196
  • Kalēja S., Lazdiņš A., Zimelis A., Spalva G. 2018. Model for cost calculation and sensitivity analysis of forest operations. Agronomy Research, 16(5), 2068-2078; https://doi.org/10.15159/AR.18.207
  • Kalēja S., Spalva G., Stola J. 2018. Productivity and cost of logbear F4000 forwarder in thinning depending on driving conditions. In: Proceedings of 17th International Scientific Conference "Engineering for Rural Development". Jelgava: LUA, Vol. 17, p. 1458-1463; https://doi.org/10.22616/ERDev2018.17.N275
  • Petaja G., Okmanis M., Polmanis K., Stola J., Spalva G., Jansons J. 2018. Evaluation of greenhouse gas emissions and area of organic soils in cropland and grassland in Latvia – integrated National forest inventory data and soil maps approach. Agronomy Research, 16(4), 1809-1823; https://doi.org/10.15159/ar.18.183
  • Zimelis A., Lazdiņš A., Spalva G. 2017. Comparison of productivity of Vimek harvester in birch plantation and young coniferous stands. In: Proceedings of 23th International Scientific Conference "Research for Rural Development 2017". Jelgava: LUA, Vol. 1, p. 107-112; https://doi.org/10.22616/rrd.23.2017.016
  • Zimelis A., Kaleja S., Spalva G., Lazdins A. 2017. Impact of feed rollers on productivity and fuel consumption. In: Proceedings of 16th International Scientific Conference "Engineering for Rural Development". Jelgava: LUA, Vol. 16, p. 756-760; https://doi.org/10.22616/ERDev2017.16.N152
  • Zimelis A., Spalva G., Saule G., Daugaviete M., Lazdiņš A. 2016. Productivity and cost of biofuel in ditch cleaning operations using tracked excavator based harvester. Agronomy Research, 14(2), 579-589
  • Zimelis A., Lazdins A., Spalva G., Saule G. 2015. Results of evaluation of different methods and technologies of solid biofuel production in ditch cleaning harvesting operations. In: Libiete Z. (Ed.) Book of abstracts of the international scientific conference "Knowledge Based Forestry Sector". Salaspils: LSFRI Silava, p. 29

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