Nutritional composition of Sprengel's sedge (<i>Carex sprengelii</i>)
Bibliographic record
Abstract
Meehan, M. A., DeKeyser, E. S., Sedivec, K. K. and Norland, J. E. 2012. Nutritional composition of Sprengel's sedge ( Carex sprengelii ). Can. J. Plant Sci. 92: 867–871. Sprengel's sedge (Carex sprengelii) has been documented as a primary graminoid species in riparian woodlands and forested areas of the northern Plains. Currently, there is no documentation of the nutrient content of Sprengel's sedge. The objective of this study was to determine the nutritional value of Sprengel's sedge of riparian woodlands in eastern North Dakota. Plants were clipped to 2.5 cm from the soil surface at 2-wk intervals during the growing seasons of 2009 and 2010. Multiple whole-plant samples were collected from five randomly selected sites at two different locations during each collection period. Plant tissue was analyzed for crude protein (CP), acid detergent fiber, neutral detergent fiber, in vitro organic matter digestibility (IVOMD), calcium, and phosphorus. The CP concentrations declined from over 20% in May to under 10% in October. Sprengel's sedge, based on IVOMD, met energy requirements for a 550 kg lactating cow early in the growing season; however, as the growing season progressed it was unable to meet energy requirements. Irrespective of year, Sprengel's sedge maintains a high CP level throughout a typical grazing season; however, digestible energy becomes deficient. Grazing strategies that promote spring and early summer grazing or supplementation of a high-energy feed source to compensate for the decrease in energy are recommended.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 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 | 0.001 |
| 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 teacher head, 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".