The suitability of cool- and warm-season annual cereal species for winter grazing in Saskatchewan
Bibliographic record
Abstract
Winter grazing is a practice that can reduce feeding cost for cattle production. Current production has been utilizing traditional cool-season cereals for winter grazing. Warm season (C 4 ) cereals also have the potential to be adapted to winter grazing in Saskatchewan. The objective of this study was to evaluate cool and warm season annual cereal species for adaptation, quality, and dry matter production in annual fall and winter grazing systems. Two seeding dates, nine treatments and two harvest times were used at sites across Saskatchewan over 3 yr. The crops in this trial have significant differences in maturity and dry matter yield. Seeding date did not consistently affect dry matter yield. Pearl millet [Pennisetum glaucum (L.) R. Br.] and sorghum-sudangrass [Sorghum bicolor (L.) × S. arundinaceum (Desv.) Stapf var. sudanense (Stapf) Hitchc.] had low dry matter yields and were poorly adapted to Saskatchewan. The proso millet (Panicum miliaceum) cultivar, Crown, and the foxtail millet (Setaria italica L.) cultivars, Red Siberian and Golden German, hadyields similar to oat (Avena sativa L.) and barley (Hordeum vulgare L.), but lower than high-input corn (Zea mays L.). Corn haddry matter yield that was similar to barley and oat but yield variability across sites and years was higher for corn. Delaying the harvest lowered the protein concentration of all the crops except pearl millet and sorghum-sudangrass. There were significant changes in acid detergent fibre (ADF), neutral detergent fibre (NDF), calcium (Ca) and phosphorus (P) due to a cultivar ×harvest timing interaction. Weathering in the windrow until December did not significantly reduce the quality of the forage. Golden German foxtail millet is well adapted for swath grazing in eastern Saskatchewan. More data are required to determine its adaptability in central and western Saskatchewan and the adaptability of corn in all of Saskatchewan. Key words: Avena sativa L., Hordeum vulgare L., Setaria italica L., Panicum miliaceum, Zea mays L., swath grazing
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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 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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".