Effect of spacing and nitrogen fertilization on the establishment and biomass production of short rotation poplar in Finland |
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| Institution: | 1. ICAR Research Complex for Eastern Region, Research Centre, Plandu, Ranchi 834010, Jharkhand, India;2. ICAR Research Complex for Eastern Region, Patna 800014, Bihar, India;1. Department of Microbiology, School of Health and Biosciences, Pontifícia Universidade Católica do Paraná, Curitiba, PR, Brazil;2. Bacteriology Section, Laboratório Central de Saúde Pública do Estado LACEN, PR, Brazil;3. Department of Medicine, School of Health and Biosciences, Pontifícia Universidade Católica do Paraná, Curitiba, PR, Brazil;4. Division of Infectious Diseases, Universidade Federal do Paraná, Curitiba, PR, Brazil;1. SAHMRI Microbiome Research Laboratory, Flinders University College of Medicine and Public Health, Adelaide, SA, Australia;2. Microbiome and Host Health, South Australia Health and Medical Research Institute, North Terrace, Adelaide, SA, Australia;3. Microbiology and Infectious Diseases, SA Pathology, South Australia, Australia;4. Department of Respiratory Medicine, Mater Health Services, South Brisbane, QLD, Australia;5. Mater Research - University of Queensland, Aubigny Place, South Brisbane, QLD, Australia |
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| Abstract: | Short rotation trials cuttings poplar (Populus x rasumowskyana) in Southern Finland investigated establishment of poplar plantations and the effects of spacing and application of nitrogen fertilizer on biomass production over a period of 6 years. Thicker cuttings grew better whilst those of less than 1 cm diameter grew only moderately. Nitrogen fertilization improved height and diameter growth and above-ground dry mass yield. Woody biomass production was 4·2 dry tons/ha per year, at 300 kg/ha nitrogen. A spacing of 15 000 stems/ha gave the best yield after 4 years, but 5000 stems/ha was a more productive spacing in the next 2 years. |
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