Production of jack pine, Pinus banksiana, bark compost for use as nursery container media
Bibliographic record
Abstract
Jack pine ('Pinus banksiana') bark was windrow composted at two GRO-BARK composting facilities for 190 and 260 days respectively, and subsequently comprised 90% (vol.) of horticultural container media to evaluate the effects of mineral N addition, particle size reduction (PSR), and water management on composting conditions and growth of three species of woody ornamentals. Tub-grinding bark feedstock with a screen size <=10 x 15 cm resulted in acceptable maintenance of temperature during composting. pH increased during composting from 3.9 to 4.9 and 6.3 for treatments with and without urea addition, respectively. Maximum N immobilization was estimated at 0.28 kg N/m3. Plant growth of all species increased with N addition either prior to or post composting, and to a lesser extent with increasing PSR. All media were characterized as having a high air filled porosity which was greater in media produced with bark coarsely ground than with fine.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".