How to Evaluate the Sustainability of Short-Term Cultures for Biomass Production? An Application From Ne Romania

Bouriaud, Laura; Duduman, Mihai‐Leonard; Dănilă, Iulian-Constantin; Olenici, Nicolai; Biriș, I. A.; Ciornei, I.; Bărnoaiea, Ionuț; Măciucă, Anca; Savin, Alexei; Grosu, Luminiţa; Mutu, M. E.; Nichiforel, Liviu; Bouriaud, Olivier; Dănilă, Gabriel; Avăcăriței, Daniel; Roibu, Cătălin-Constantin

doi:10.17707/agricultforest.61.4.01

Cited by 5 publications

(5 citation statements)

References 16 publications

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“…The above-ground biomass was estimated for the stem and branches, taking into ac-188 count the relative moisture of the harvested samples for each tree part (Equation ( 2)), and 189 represented annually in relation to stem volume dynamics [63,64].…”

Section: Data Collectionmentioning

confidence: 99%

“…is the basal stem's volume with a length of 2 m; V 2 is the volume of the superior part of the stem up to the terminal bud; d 1 is the diameter of the first section of the stem; d 2 is the diameter of the second section of the stem; and h is the total length of the stem. The above-ground biomass was estimated for the stem and branches, taking into account the relative moisture of the harvested samples for each tree part (Equation ( 2)), and represented annually in relation to stem volume dynamics [63,64].…”

Section: Data Collectionmentioning

confidence: 99%

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Productivity of Short-Rotation Poplar Crops: A Case Study in the NE of Romania

Dănilă

Mititelu

Palaghianu

2022

Forests

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In Romania, the productivity of the new clones of hybrid poplar has not been tested in recent years. This case study aims to fill a gap on the productivity map of the new poplar clones, estimating, by biomass measurements, the productivity of two clones (AF2 and AF8) with different planting densities (from 1333 trees·ha−1 to 2667 trees·ha−1). The short-rotation woody crops (SRWCs) were established in homogeneous conditions, in North-East (NE) Romania and the northern part of Suceava County. Using a specifically developed method, biomass production was estimated using destructive methods, with 190 poplar trees being harvested, measured, and weighed to compute the accumulated biomass for each growing season The biomass production of the crops with 1667 trees·ha−1 planting density highlighted significant differences in productivity in favour of the AF2 clone after five growing seasons. The crops shared similar annual growth patterns, and the stem biomass represents approximately 73–80% of the total biomass of the trees. The second research question concerning planting density influence on productivity showed fluctuations of biomass accumulations at different planting densities (1333 trees ha−1, 1667 trees ha−1 and 2667 trees ha−1) for a 5-year rotation. The outcomes emphasized the influence of the annual weather conditions—primarily the rainfall in May–June—on poplar growth, showing that productivity also depends on the genotype, density and biotic disturbances.

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Section: Data Collectionmentioning

confidence: 99%

Section: Data Collectionmentioning

confidence: 99%

Productivity of Short-Rotation Poplar Crops: A Case Study in the NE of Romania

Dănilă

Mititelu

Palaghianu

2022

Forests

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“…The extent to which the laws are socially acceptable may vary from law to law [26,27]. Unfortunately, the issue of social acceptability is completely overlooked by Romanian policy makers, and the only study produced in this respect was focused on short-rotation poplar plantations [28], which are not actually addressed by the Romanian legal system in place.…”

Section: Introductionmentioning

confidence: 99%

Did Forestland Restitution Facilitate Institutional Amnesia? Some Evidence from Romanian Forest Policy

Drăgoi

Toza

2019

Land

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This paper shows how the slow process of forestland restitution, which is unfolding in Romania since 1991 has eroded the threads of sustainable forest management by an insidious institutional amnesia (IA). The four symptoms of this harmful process (frequent reorganization, transition from paperwork to electronic media, fewer people motivated to join public services, and popularity of radical changes) were analyzed from the legal standing point as well as from practitioners' perspective. After having described the legal process and the relative dependencies between laws and government ordinances we also showed that the three laws on forestland restoration (three fully operational laws and two bills submitted in 2019, one year before general elections) were produced by unintended policy arrangements. The legal loopholes of forestland restitution were described in details as well as the challenges brought about by nature conservation policy (Natura 2000 management plans v traditional forest planning), and the overwhelming bureaucratic burden developed to deter illegal logging, instead of fully implementing a modern system of forest watching based on volunteering. However, the main cause of IA is institutional unsteadiness which was inherited from the communist regime, and cannot be alleviated unless more involvement of professional foresters in politics.

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“…This is a fastgrowing woody energy plant, which makes it possible to create high-productive plantations with a long service life. The energy poplar is predominately grown by two technologies: short rotation system and medium rotation system (Bouriaud et al, 2015;Cizcova et al, 2010). Such short-and medium rotation coppice systems the first harvests take place after 4-5 years of cultivation and subsequently every 2-3 year intervals.…”

Section: Introductionmentioning

confidence: 99%

The Poplar Saplings Survival in Reclaimed Mineland Depending on Clone and Root Treatment

Kharytonov¹,

Babenko²,

Мартынова³

et al. 2017

AgricultForest

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SUMMARYThe genus Populus L. is one of the promising energy plants for growing on marginal lands. To assess its potential under steppe conditions, growth morphological parameters of 9 hybrid poplar clones grown over two years on a mix of loess-like loam and red-brown clay have been studied. In the first year, the degree of the sapling survival and the intensity of development were explored. At the end of the year, two clones which showed the best results (Ijzer-5 and Robusta), were selected for further breeding and rearing. Researches of the second year were devoted to the effect of biological agents on the survival and growth of these two clones. The treatments with vermicomposting extract (VCE), trichodermin, mycorrhiza and mixture of these agents were applied. The experiment with poplar clones Ijzer-5 showed a positive effect of all bioagents on the growth morphological parameters. The increase of the length and diameter of an annual shoots, leaf area and total assimilation surface from 10 to 38% was revealed. The treatment with vermicomposting extract gave the best result. For clones Robusta, only three agents out of four had a positive effect. The rise in morphological parameters was at the level of 9-55%. The best results were noted in the experiment with a mixture of agents. Treatment with trichodermin caused an inhibitory action on most of the growth characteristics of the clone Robusta.To obtain the wood thermal stability information a comparative thermogravimetric analysis of poplar wood samples grown on different soil types was carried out. A larger value of DTG at all stages was observed in a sample of poplar grown on sod podzolic soil. The difference in the value of the rate of mass loss is explained by the larger content of humus in sod podzolic soils, than in the phytomeliorated mix of rocks.

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How to Evaluate the Sustainability of Short-Term Cultures for Biomass Production? An Application From Ne Romania

Cited by 5 publications

References 16 publications

Productivity of Short-Rotation Poplar Crops: A Case Study in the NE of Romania

Productivity of Short-Rotation Poplar Crops: A Case Study in the NE of Romania

Did Forestland Restitution Facilitate Institutional Amnesia? Some Evidence from Romanian Forest Policy

The Poplar Saplings Survival in Reclaimed Mineland Depending on Clone and Root Treatment

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