Advances in the Mechanization of Regenerating Plantation Forests: a Review

Ramantswana, Muedanyi; Guerra, Saulo Philipe Sebastião; Ersson, Back Tomas

doi:10.1007/s40725-020-00114-7

Cited by 35 publications

(26 citation statements)

References 62 publications

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“…According to the review conducted by Ramantswana et al (2020), in Brazil the mechanical planting has been applied. One of the planting technologies was MTM1000 in eucalypt plantations where seedlings were planted within farrows.…”

Section: Americamentioning

confidence: 99%

“…One of the planting technologies was MTM1000 in eucalypt plantations where seedlings were planted within farrows. There was also a new triple planter such as a semi-autonomous machine that was based on a tractor, which was equipped with a water tank to provide irrigation in addition to planting (Ramantswana et al 2020). The Swedish-made Bracke P11.a based on an excavator was studied when planting eucalypt seedlings (Eucalyptus grandis × E. urophylla) in São Paulo state, Brazil (Guerro et al 2019).…”

Section: Americamentioning

confidence: 99%

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A short review on studies on work productivity of mechanical tree planting

Ghaffariyan¹

2021

SBAL

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Reforestation can be carried out using natural regeneration or artificial regeneration. There are vari-ous methods for the artificial regeneration, including manual planting, mechanical planting and aerial/or ground seeding. This article aimed to review the current reports on the productivity of mechanical planting to provide a summary of productivity rates for the planting machines. According to the review’s results, mechanical planting productivity may vary from 143 to 475 seedlings per productive machine hours depending on the machine type, environment (such as surfaces obstacles and stoniness) and the operator experience. Employing skilled operators and selecting suitable worksites can help increasing the work productivity. Integrating and optimising the whole planting chain, from the nursery to the plant-ing phase, can assist also with reducing the cost and improving the productivity. As mechanical planting machines get more widely adopted in different countries, their overall efficiency will improve over time.

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Section: Americamentioning

confidence: 99%

Section: Americamentioning

confidence: 99%

A short review on studies on work productivity of mechanical tree planting

Ghaffariyan¹

2021

SBAL

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“…When implementing the forest restoration method, including group of site preparation operations [53], group of FRM preparation operations , group of seeding [47,54,55] or planting [56,57] on site, it additionally includes group of monitoring operations [58,59]. Alternative rapid analysis [16,31] and encapsulation [60] operations carried out in field conditions using mobile equipment [26,[49][50][51] are additionally introduced into a group of FRM preparation operations.…”

Section: Third Applicationmentioning

confidence: 99%

Correlation between the Spectrometric Parameters of Coniferous Seeds and the Molecular Indicators of Seedlings: Is It Possible to Apply It in Practice?

Novikov

Ivetić

Daneshvar

et al. 2020

The 1st International Electronic Conference on Forests—Forests for a Better Future: Sustainability, Innovation, Inter

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Coniferous seeds as an integral part of Forest Reproductive Material (FRM) are a fairly valuable product that is transported by trade operations over long distances. Seed quality determines the rate of reforestation. Improving quality indicators and increasing the competitiveness of forest seeds is one of the promising directions of a few country’s forestry development strategy and an opportunity to integrate into global reforestation initiatives. Based on the direct interaction of biophysical studies of seed spectrometric parameters, implementation of their genotype in different environmental conditions, biometric studies of seedling growth and development and genetic conditioning of these components, it is possible to develop and test a comprehensive concept for obtaining FRM with high quality indicators. What practical application can be expected? First, it is possible to study genetic variability among the seeds of the studied species, using molecular DNA markers. This would help obtain a comprehensive and categorical classification of samples that illustrates the genetic similarity and relationship structure relative to the desired characteristics of seedlings and seeds with high viability rates. Genetic and spectrometric data could be further combined to build a consensus tree of genetic similarity. Second, algorithms could be developed for integrating these parameters in the FRM-Library database to synchronize the quality indicators of forest reproduction material, with information processing devices of optoelectronic graders and phenoseeders. Third, methods and algorithms could be developed for optimal selection of technology for coniferous seeds grading of different breeding values. These would be developed based on data extracted from the FRM-Library database for the production of forest reproductive material, considering various goals and frontier methods of contemporary forest landscape restoration.

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“…These devices provide excellent silvicultural results, but their productivity is poor (Ersson 2014). Consequently, their share of tree planting is < 1% in the Nordic countries, while the most common practice is mechanized soil preparation (Figure 1 top) followed by manual planting (Ersson et al 2018;Ramantswana et al 2020).…”

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confidence: 99%

“…Hence, one might ask if the basic concept of Silva Nova is too good to be completely ignored. That being said, the Swedish state-owned tree nursery company Svenska Skogsplantor has built a prototype machine, PlantmaX, which basically is a reinvented, modernized Silva https://doi.org/10.17221/203/2020-JFS Nova (Ramantswana et al 2020). However, in our view, certain improvements like planting spot detection and autonomous route finding are required to make continuously advancing tree planting machines (such as PlantmaX) more competitive.…”

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confidence: 99%

Mechanized tree planting in Nordic forestry: simulating a machine concept for continuously advancing site preparation and planting

Manner¹,

Ersson²

2021

J. For. Sci.

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As labour for manual tree planting becomes scarcer, regeneration costs are steadily increasing in Nordic forestry. Today’s intermittently advancing tree planting machines provide excellent silvicultural results, but are expensive to operate because of poor productivity. In contrast, continuously advancing planting machines, thanks to high productivities, are increasingly being regarded as a solution to these runaway regeneration costs. The Silva Nova was a historical, continuously advancing tree planting machine with high productivity. However, Silva Nova’s weaknesses included high labour costs (it required two operators) and the random nature of how it chose planting spots. In contrast, SuperSilva, a purely conceptual modernisation of Silva Nova, involves both automation and microsite identification to make the machine more efficient. We used discrete-event simulation to analyse the stocking rate and spatial distribution of tree planting with SuperSilva. The simulation results showed that introducing sensors for identifying suitable microsites will allow continuously advancing planting machines (like SuperSilva) to plant seedlings in a numerically and spatially adequate manner on moraine soils. Hence, these sensors will increase the competitiveness and versatility of tree planting machines. Unfortunately, such reliable and robust sensor technology (unaffected by a wide variety of operating conditions) is not yet commercially available.

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Advances in the Mechanization of Regenerating Plantation Forests: a Review

Cited by 35 publications

References 62 publications

A short review on studies on work productivity of mechanical tree planting

A short review on studies on work productivity of mechanical tree planting

Correlation between the Spectrometric Parameters of Coniferous Seeds and the Molecular Indicators of Seedlings: Is It Possible to Apply It in Practice?

Mechanized tree planting in Nordic forestry: simulating a machine concept for continuously advancing site preparation and planting

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